16478780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2851}}^1$

素因数の和:2894

約数の個数: 36

約数和(自身を含む): 36773688

約数和(自身を除く): 20294908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2851, 2890, 5702, 5780, 11404, 14255, 28510, 48467, 57020, 96934, 193868, 242335, 484670, 823939, 969340, 1647878, 3295756, 4119695, 8239390, 16478780]

約数ペア:

[(1, 16478780), (2, 8239390), (4, 4119695), (5, 3295756), (10, 1647878), (17, 969340), (20, 823939), (34, 484670), (68, 242335), (85, 193868), (170, 96934), (289, 57020), (340, 48467), (578, 28510), (1156, 14255), (1445, 11404), (2851, 5780), (2890, 5702)]