15690789640

素因数分解:

$2^3\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{177257}}^1$

素因数の和:179481

約数の個数: 32

約数和(自身を含む): 35320429080

約数和(自身を除く): 19629639440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2213, 4426, 8852, 11065, 17704, 22130, 44260, 88520, 177257, 354514, 709028, 886285, 1418056, 1772570, 3545140, 7090280, 392269741, 784539482, 1569078964, 1961348705, 3138157928, 3922697410, 7845394820, 15690789640]

約数ペア:

[(1, 15690789640), (2, 7845394820), (4, 3922697410), (5, 3138157928), (8, 1961348705), (10, 1569078964), (20, 784539482), (40, 392269741), (2213, 7090280), (4426, 3545140), (8852, 1772570), (11065, 1418056), (17704, 886285), (22130, 709028), (44260, 354514), (88520, 177257)]