90004960

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3583}}^1$

素因数の和:3755

約数の個数: 48

約数和(自身を含む): 214050816

約数和(自身を除く): 124045856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 3583, 5024, 6280, 7166, 12560, 14332, 17915, 25120, 28664, 35830, 57328, 71660, 114656, 143320, 286640, 562531, 573280, 1125062, 2250124, 2812655, 4500248, 5625310, 9000496, 11250620, 18000992, 22501240, 45002480, 90004960]

約数ペア:

[(1, 90004960), (2, 45002480), (4, 22501240), (5, 18000992), (8, 11250620), (10, 9000496), (16, 5625310), (20, 4500248), (32, 2812655), (40, 2250124), (80, 1125062), (157, 573280), (160, 562531), (314, 286640), (628, 143320), (785, 114656), (1256, 71660), (1570, 57328), (2512, 35830), (3140, 28664), (3583, 25120), (5024, 17915), (6280, 14332), (7166, 12560)]