90291760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5107}}^1$

素因数の和:5150

約数の個数: 80

約数和(自身を含む): 239422176

約数和(自身を除く): 149130416

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, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 5107, 8840, 10214, 17680, 20428, 25535, 40856, 51070, 66391, 81712, 86819, 102140, 132782, 173638, 204280, 265564, 331955, 347276, 408560, 434095, 531128, 663910, 694552, 868190, 1062256, 1128647, 1327820, 1389104, 1736380, 2257294, 2655640, 3472760, 4514588, 5311280, 5643235, 6945520, 9029176, 11286470, 18058352, 22572940, 45145880, 90291760]

約数ペア:

[(1, 90291760), (2, 45145880), (4, 22572940), (5, 18058352), (8, 11286470), (10, 9029176), (13, 6945520), (16, 5643235), (17, 5311280), (20, 4514588), (26, 3472760), (34, 2655640), (40, 2257294), (52, 1736380), (65, 1389104), (68, 1327820), (80, 1128647), (85, 1062256), (104, 868190), (130, 694552), (136, 663910), (170, 531128), (208, 434095), (221, 408560), (260, 347276), (272, 331955), (340, 265564), (442, 204280), (520, 173638), (680, 132782), (884, 102140), (1040, 86819), (1105, 81712), (1360, 66391), (1768, 51070), (2210, 40856), (3536, 25535), (4420, 20428), (5107, 17680), (8840, 10214)]