15442640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1559

約数の個数: 40

約数和(自身を含む): 36191880

約数和(自身を除く): 20749240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 1409, 2192, 2740, 2818, 5480, 5636, 7045, 10960, 11272, 14090, 22544, 28180, 56360, 112720, 193033, 386066, 772132, 965165, 1544264, 1930330, 3088528, 3860660, 7721320, 15442640]

約数ペア:

[(1, 15442640), (2, 7721320), (4, 3860660), (5, 3088528), (8, 1930330), (10, 1544264), (16, 965165), (20, 772132), (40, 386066), (80, 193033), (137, 112720), (274, 56360), (548, 28180), (685, 22544), (1096, 14090), (1370, 11272), (1409, 10960), (2192, 7045), (2740, 5636), (2818, 5480)]