30956840

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1747}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 69850080

約数和(自身を除く): 38893240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1747, 1772, 2215, 3494, 3544, 4430, 6988, 8735, 8860, 13976, 17470, 17720, 34940, 69880, 773921, 1547842, 3095684, 3869605, 6191368, 7739210, 15478420, 30956840]

約数ペア:

[(1, 30956840), (2, 15478420), (4, 7739210), (5, 6191368), (8, 3869605), (10, 3095684), (20, 1547842), (40, 773921), (443, 69880), (886, 34940), (1747, 17720), (1772, 17470), (2215, 13976), (3494, 8860), (3544, 8735), (4430, 6988)]