4225520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 11249280

約数和(自身を除く): 7023760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 239, 260, 272, 340, 442, 478, 520, 680, 884, 956, 1040, 1105, 1195, 1360, 1768, 1912, 2210, 2390, 3107, 3536, 3824, 4063, 4420, 4780, 6214, 8126, 8840, 9560, 12428, 15535, 16252, 17680, 19120, 20315, 24856, 31070, 32504, 40630, 49712, 52819, 62140, 65008, 81260, 105638, 124280, 162520, 211276, 248560, 264095, 325040, 422552, 528190, 845104, 1056380, 2112760, 4225520]

約数ペア:

[(1, 4225520), (2, 2112760), (4, 1056380), (5, 845104), (8, 528190), (10, 422552), (13, 325040), (16, 264095), (17, 248560), (20, 211276), (26, 162520), (34, 124280), (40, 105638), (52, 81260), (65, 65008), (68, 62140), (80, 52819), (85, 49712), (104, 40630), (130, 32504), (136, 31070), (170, 24856), (208, 20315), (221, 19120), (239, 17680), (260, 16252), (272, 15535), (340, 12428), (442, 9560), (478, 8840), (520, 8126), (680, 6214), (884, 4780), (956, 4420), (1040, 4063), (1105, 3824), (1195, 3536), (1360, 3107), (1768, 2390), (1912, 2210)]