1310348840

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{39901}}^1$

素因数の和:40733

約数の個数: 32

約数和(自身を含む): 2951949960

約数和(自身を除く): 1641601120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6568, 8210, 16420, 32840, 39901, 79802, 159604, 199505, 319208, 399010, 798020, 1596040, 32758721, 65517442, 131034884, 163793605, 262069768, 327587210, 655174420, 1310348840]

約数ペア:

[(1, 1310348840), (2, 655174420), (4, 327587210), (5, 262069768), (8, 163793605), (10, 131034884), (20, 65517442), (40, 32758721), (821, 1596040), (1642, 798020), (3284, 399010), (4105, 319208), (6568, 199505), (8210, 159604), (16420, 79802), (32840, 39901)]