121540840

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3701}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 273873960

約数和(自身を除く): 152333120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 3701, 4105, 6568, 7402, 8210, 14804, 16420, 18505, 29608, 32840, 37010, 74020, 148040, 3038521, 6077042, 12154084, 15192605, 24308168, 30385210, 60770420, 121540840]

約数ペア:

[(1, 121540840), (2, 60770420), (4, 30385210), (5, 24308168), (8, 15192605), (10, 12154084), (20, 6077042), (40, 3038521), (821, 148040), (1642, 74020), (3284, 37010), (3701, 32840), (4105, 29608), (6568, 18505), (7402, 16420), (8210, 14804)]