13104920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 29710800

約数和(自身を除く): 16605880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2357, 2780, 4714, 5560, 9428, 11785, 18856, 23570, 47140, 94280, 327623, 655246, 1310492, 1638115, 2620984, 3276230, 6552460, 13104920]

約数ペア:

[(1, 13104920), (2, 6552460), (4, 3276230), (5, 2620984), (8, 1638115), (10, 1310492), (20, 655246), (40, 327623), (139, 94280), (278, 47140), (556, 23570), (695, 18856), (1112, 11785), (1390, 9428), (2357, 5560), (2780, 4714)]