90637880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3251}}^1$

素因数の和:3320

約数の個数: 64

約数和(自身を含む): 221266080

約数和(自身を除く): 130628200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3251, 3485, 5576, 6502, 6970, 13004, 13940, 16255, 26008, 27880, 32510, 55267, 65020, 110534, 130040, 133291, 221068, 266582, 276335, 442136, 533164, 552670, 666455, 1066328, 1105340, 1332910, 2210680, 2265947, 2665820, 4531894, 5331640, 9063788, 11329735, 18127576, 22659470, 45318940, 90637880]

約数ペア:

[(1, 90637880), (2, 45318940), (4, 22659470), (5, 18127576), (8, 11329735), (10, 9063788), (17, 5331640), (20, 4531894), (34, 2665820), (40, 2265947), (41, 2210680), (68, 1332910), (82, 1105340), (85, 1066328), (136, 666455), (164, 552670), (170, 533164), (205, 442136), (328, 276335), (340, 266582), (410, 221068), (680, 133291), (697, 130040), (820, 110534), (1394, 65020), (1640, 55267), (2788, 32510), (3251, 27880), (3485, 26008), (5576, 16255), (6502, 13940), (6970, 13004)]