30658640

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{937}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 71531880

約数和(自身を除く): 40873240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 937, 1636, 1874, 2045, 3272, 3748, 4090, 4685, 6544, 7496, 8180, 9370, 14992, 16360, 18740, 32720, 37480, 74960, 383233, 766466, 1532932, 1916165, 3065864, 3832330, 6131728, 7664660, 15329320, 30658640]

約数ペア:

[(1, 30658640), (2, 15329320), (4, 7664660), (5, 6131728), (8, 3832330), (10, 3065864), (16, 1916165), (20, 1532932), (40, 766466), (80, 383233), (409, 74960), (818, 37480), (937, 32720), (1636, 18740), (1874, 16360), (2045, 14992), (3272, 9370), (3748, 8180), (4090, 7496), (4685, 6544)]