30998840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9337}}^1$

素因数の和:9431

約数の個数: 32

約数和(自身を含む): 70595280

約数和(自身を除く): 39596440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9337, 18674, 37348, 46685, 74696, 93370, 186740, 373480, 774971, 1549942, 3099884, 3874855, 6199768, 7749710, 15499420, 30998840]

約数ペア:

[(1, 30998840), (2, 15499420), (4, 7749710), (5, 6199768), (8, 3874855), (10, 3099884), (20, 1549942), (40, 774971), (83, 373480), (166, 186740), (332, 93370), (415, 74696), (664, 46685), (830, 37348), (1660, 18674), (3320, 9337)]