1326760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 3061800

約数和(自身を除く): 1735040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 809, 820, 1618, 1640, 3236, 4045, 6472, 8090, 16180, 32360, 33169, 66338, 132676, 165845, 265352, 331690, 663380, 1326760]

約数ペア:

[(1, 1326760), (2, 663380), (4, 331690), (5, 265352), (8, 165845), (10, 132676), (20, 66338), (40, 33169), (41, 32360), (82, 16180), (164, 8090), (205, 6472), (328, 4045), (410, 3236), (809, 1640), (820, 1618)]