129241850

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{13121}}^1$

素因数の和:13330

約数の個数: 24

約数和(自身を含む): 241628508

約数和(自身を除く): 112386658

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 4925, 9850, 13121, 26242, 65605, 131210, 328025, 656050, 2584837, 5169674, 12924185, 25848370, 64620925, 129241850]

約数ペア:

[(1, 129241850), (2, 64620925), (5, 25848370), (10, 12924185), (25, 5169674), (50, 2584837), (197, 656050), (394, 328025), (985, 131210), (1970, 65605), (4925, 26242), (9850, 13121)]