25309160

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6143}}^1$

素因数の和:6257

約数の個数: 32

約数和(自身を含む): 57507840

約数和(自身を除く): 32198680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6143, 12286, 24572, 30715, 49144, 61430, 122860, 245720, 632729, 1265458, 2530916, 3163645, 5061832, 6327290, 12654580, 25309160]

約数ペア:

[(1, 25309160), (2, 12654580), (4, 6327290), (5, 5061832), (8, 3163645), (10, 2530916), (20, 1265458), (40, 632729), (103, 245720), (206, 122860), (412, 61430), (515, 49144), (824, 30715), (1030, 24572), (2060, 12286), (4120, 6143)]