13445840

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1283}}^1$

素因数の和:1427

約数の個数: 40

約数和(自身を含む): 31524768

約数和(自身を除く): 18078928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1283, 1310, 2096, 2566, 2620, 5132, 5240, 6415, 10264, 10480, 12830, 20528, 25660, 51320, 102640, 168073, 336146, 672292, 840365, 1344584, 1680730, 2689168, 3361460, 6722920, 13445840]

約数ペア:

[(1, 13445840), (2, 6722920), (4, 3361460), (5, 2689168), (8, 1680730), (10, 1344584), (16, 840365), (20, 672292), (40, 336146), (80, 168073), (131, 102640), (262, 51320), (524, 25660), (655, 20528), (1048, 12830), (1283, 10480), (1310, 10264), (2096, 6415), (2566, 5240), (2620, 5132)]