28153840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 80994816

約数和(自身を除く): 52840976

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 80, 88, 92, 104, 107, 110, 115, 130, 143, 176, 184, 208, 214, 220, 230, 253, 260, 286, 299, 368, 428, 440, 460, 506, 520, 535, 572, 598, 715, 856, 880, 920, 1012, 1040, 1070, 1144, 1177, 1196, 1265, 1391, 1430, 1495, 1712, 1840, 2024, 2140, 2288, 2354, 2392, 2461, 2530, 2782, 2860, 2990, 3289, 4048, 4280, 4708, 4784, 4922, 5060, 5564, 5720, 5885, 5980, 6578, 6955, 8560, 9416, 9844, 10120, 11128, 11440, 11770, 11960, 12305, 13156, 13910, 15301, 16445, 18832, 19688, 20240, 22256, 23540, 23920, 24610, 26312, 27071, 27820, 30602, 31993, 32890, 39376, 47080, 49220, 52624, 54142, 55640, 61204, 63986, 65780, 76505, 94160, 98440, 108284, 111280, 122408, 127972, 131560, 135355, 153010, 159965, 196880, 216568, 244816, 255944, 263120, 270710, 306020, 319930, 351923, 433136, 511888, 541420, 612040, 639860, 703846, 1082840, 1224080, 1279720, 1407692, 1759615, 2165680, 2559440, 2815384, 3519230, 5630768, 7038460, 14076920, 28153840]

約数ペア:

[(1, 28153840), (2, 14076920), (4, 7038460), (5, 5630768), (8, 3519230), (10, 2815384), (11, 2559440), (13, 2165680), (16, 1759615), (20, 1407692), (22, 1279720), (23, 1224080), (26, 1082840), (40, 703846), (44, 639860), (46, 612040), (52, 541420), (55, 511888), (65, 433136), (80, 351923), (88, 319930), (92, 306020), (104, 270710), (107, 263120), (110, 255944), (115, 244816), (130, 216568), (143, 196880), (176, 159965), (184, 153010), (208, 135355), (214, 131560), (220, 127972), (230, 122408), (253, 111280), (260, 108284), (286, 98440), (299, 94160), (368, 76505), (428, 65780), (440, 63986), (460, 61204), (506, 55640), (520, 54142), (535, 52624), (572, 49220), (598, 47080), (715, 39376), (856, 32890), (880, 31993), (920, 30602), (1012, 27820), (1040, 27071), (1070, 26312), (1144, 24610), (1177, 23920), (1196, 23540), (1265, 22256), (1391, 20240), (1430, 19688), (1495, 18832), (1712, 16445), (1840, 15301), (2024, 13910), (2140, 13156), (2288, 12305), (2354, 11960), (2392, 11770), (2461, 11440), (2530, 11128), (2782, 10120), (2860, 9844), (2990, 9416), (3289, 8560), (4048, 6955), (4280, 6578), (4708, 5980), (4784, 5885), (4922, 5720), (5060, 5564)]