1268668840

素因数分解:

$2^3\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{12101}}^1$

素因数の和:14733

約数の個数: 32

約数和(自身を含む): 2855829960

約数和(自身を除く): 1587161120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2621, 5242, 10484, 12101, 13105, 20968, 24202, 26210, 48404, 52420, 60505, 96808, 104840, 121010, 242020, 484040, 31716721, 63433442, 126866884, 158583605, 253733768, 317167210, 634334420, 1268668840]

約数ペア:

[(1, 1268668840), (2, 634334420), (4, 317167210), (5, 253733768), (8, 158583605), (10, 126866884), (20, 63433442), (40, 31716721), (2621, 484040), (5242, 242020), (10484, 121010), (12101, 104840), (13105, 96808), (20968, 60505), (24202, 52420), (26210, 48404)]