90208040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3691}}^1$

素因数の和:3762

約数の個数: 64

約数和(自身を含む): 223292160

約数和(自身を除く): 133084120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 3691, 4888, 6110, 7382, 12220, 14764, 18455, 24440, 29528, 36910, 47983, 73820, 95966, 147640, 173477, 191932, 239915, 346954, 383864, 479830, 693908, 867385, 959660, 1387816, 1734770, 1919320, 2255201, 3469540, 4510402, 6939080, 9020804, 11276005, 18041608, 22552010, 45104020, 90208040]

約数ペア:

[(1, 90208040), (2, 45104020), (4, 22552010), (5, 18041608), (8, 11276005), (10, 9020804), (13, 6939080), (20, 4510402), (26, 3469540), (40, 2255201), (47, 1919320), (52, 1734770), (65, 1387816), (94, 959660), (104, 867385), (130, 693908), (188, 479830), (235, 383864), (260, 346954), (376, 239915), (470, 191932), (520, 173477), (611, 147640), (940, 95966), (1222, 73820), (1880, 47983), (2444, 36910), (3055, 29528), (3691, 24440), (4888, 18455), (6110, 14764), (7382, 12220)]