28062320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 77578368

約数和(自身を除く): 49516048

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 223, 242, 260, 286, 440, 446, 484, 520, 572, 605, 715, 880, 892, 968, 1040, 1115, 1144, 1210, 1430, 1573, 1784, 1936, 2230, 2288, 2420, 2453, 2860, 2899, 3146, 3568, 4460, 4840, 4906, 5720, 5798, 6292, 7865, 8920, 9680, 9812, 11440, 11596, 12265, 12584, 14495, 15730, 17840, 19624, 23192, 24530, 25168, 26983, 28990, 31460, 31889, 39248, 46384, 49060, 53966, 57980, 62920, 63778, 98120, 107932, 115960, 125840, 127556, 134915, 159445, 196240, 215864, 231920, 255112, 269830, 318890, 350779, 431728, 510224, 539660, 637780, 701558, 1079320, 1275560, 1403116, 1753895, 2158640, 2551120, 2806232, 3507790, 5612464, 7015580, 14031160, 28062320]

約数ペア:

[(1, 28062320), (2, 14031160), (4, 7015580), (5, 5612464), (8, 3507790), (10, 2806232), (11, 2551120), (13, 2158640), (16, 1753895), (20, 1403116), (22, 1275560), (26, 1079320), (40, 701558), (44, 637780), (52, 539660), (55, 510224), (65, 431728), (80, 350779), (88, 318890), (104, 269830), (110, 255112), (121, 231920), (130, 215864), (143, 196240), (176, 159445), (208, 134915), (220, 127556), (223, 125840), (242, 115960), (260, 107932), (286, 98120), (440, 63778), (446, 62920), (484, 57980), (520, 53966), (572, 49060), (605, 46384), (715, 39248), (880, 31889), (892, 31460), (968, 28990), (1040, 26983), (1115, 25168), (1144, 24530), (1210, 23192), (1430, 19624), (1573, 17840), (1784, 15730), (1936, 14495), (2230, 12584), (2288, 12265), (2420, 11596), (2453, 11440), (2860, 9812), (2899, 9680), (3146, 8920), (3568, 7865), (4460, 6292), (4840, 5798), (4906, 5720)]