30938480

素因数分解:

$2^4\times 5^1\times {\mathrm{386731}}^1$

素因数の和:386744

約数の個数: 20

約数和(自身を含む): 71932152

約数和(自身を除く): 40993672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386731, 773462, 1546924, 1933655, 3093848, 3867310, 6187696, 7734620, 15469240, 30938480]

約数ペア:

[(1, 30938480), (2, 15469240), (4, 7734620), (5, 6187696), (8, 3867310), (10, 3093848), (16, 1933655), (20, 1546924), (40, 773462), (80, 386731)]