255408040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{172573}}^1$

素因数の和:172621

約数の個数: 32

約数和(自身を含む): 590203080

約数和(自身を除く): 334795040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 172573, 345146, 690292, 862865, 1380584, 1725730, 3451460, 6385201, 6902920, 12770402, 25540804, 31926005, 51081608, 63852010, 127704020, 255408040]

約数ペア:

[(1, 255408040), (2, 127704020), (4, 63852010), (5, 51081608), (8, 31926005), (10, 25540804), (20, 12770402), (37, 6902920), (40, 6385201), (74, 3451460), (148, 1725730), (185, 1380584), (296, 862865), (370, 690292), (740, 345146), (1480, 172573)]