25163960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4007}}^1$

素因数の和:4175

約数の個数: 32

約数和(自身を含む): 56993760

約数和(自身を除く): 31829800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4007, 6280, 8014, 16028, 20035, 32056, 40070, 80140, 160280, 629099, 1258198, 2516396, 3145495, 5032792, 6290990, 12581980, 25163960]

約数ペア:

[(1, 25163960), (2, 12581980), (4, 6290990), (5, 5032792), (8, 3145495), (10, 2516396), (20, 1258198), (40, 629099), (157, 160280), (314, 80140), (628, 40070), (785, 32056), (1256, 20035), (1570, 16028), (3140, 8014), (4007, 6280)]