22501240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3583}}^1$

素因数の和:3751

約数の個数: 32

約数和(自身を含む): 50964480

約数和(自身を除く): 28463240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 3583, 6280, 7166, 14332, 17915, 28664, 35830, 71660, 143320, 562531, 1125062, 2250124, 2812655, 4500248, 5625310, 11250620, 22501240]

約数ペア:

[(1, 22501240), (2, 11250620), (4, 5625310), (5, 4500248), (8, 2812655), (10, 2250124), (20, 1125062), (40, 562531), (157, 143320), (314, 71660), (628, 35830), (785, 28664), (1256, 17915), (1570, 14332), (3140, 7166), (3583, 6280)]