12865760

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 30627072

約数和(自身を除く): 17761312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 421, 764, 842, 955, 1528, 1684, 1910, 2105, 3056, 3368, 3820, 4210, 6112, 6736, 7640, 8420, 13472, 15280, 16840, 30560, 33680, 67360, 80411, 160822, 321644, 402055, 643288, 804110, 1286576, 1608220, 2573152, 3216440, 6432880, 12865760]

約数ペア:

[(1, 12865760), (2, 6432880), (4, 3216440), (5, 2573152), (8, 1608220), (10, 1286576), (16, 804110), (20, 643288), (32, 402055), (40, 321644), (80, 160822), (160, 80411), (191, 67360), (382, 33680), (421, 30560), (764, 16840), (842, 15280), (955, 13472), (1528, 8420), (1684, 7640), (1910, 6736), (2105, 6112), (3056, 4210), (3368, 3820)]