245281240

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{4649}}^1$

素因数の和:5979

約数の個数: 32

約数和(自身を含む): 552420000

約数和(自身を除く): 307138760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 2638, 4649, 5276, 6595, 9298, 10552, 13190, 18596, 23245, 26380, 37192, 46490, 52760, 92980, 185960, 6132031, 12264062, 24528124, 30660155, 49056248, 61320310, 122640620, 245281240]

約数ペア:

[(1, 245281240), (2, 122640620), (4, 61320310), (5, 49056248), (8, 30660155), (10, 24528124), (20, 12264062), (40, 6132031), (1319, 185960), (2638, 92980), (4649, 52760), (5276, 46490), (6595, 37192), (9298, 26380), (10552, 23245), (13190, 18596)]