10981840

素因数分解:

$2^4\times 5^1\times {\mathrm{137273}}^1$

素因数の和:137286

約数の個数: 20

約数和(自身を含む): 25532964

約数和(自身を除く): 14551124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137273, 274546, 549092, 686365, 1098184, 1372730, 2196368, 2745460, 5490920, 10981840]

約数ペア:

[(1, 10981840), (2, 5490920), (4, 2745460), (5, 2196368), (8, 1372730), (10, 1098184), (16, 686365), (20, 549092), (40, 274546), (80, 137273)]