64568380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{11171}}^1$

素因数の和:11214

約数の個数: 36

約数和(自身を含む): 144051768

約数和(自身を除く): 79483388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 11171, 22342, 44684, 55855, 111710, 189907, 223420, 379814, 759628, 949535, 1899070, 3228419, 3798140, 6456838, 12913676, 16142095, 32284190, 64568380]

約数ペア:

[(1, 64568380), (2, 32284190), (4, 16142095), (5, 12913676), (10, 6456838), (17, 3798140), (20, 3228419), (34, 1899070), (68, 949535), (85, 759628), (170, 379814), (289, 223420), (340, 189907), (578, 111710), (1156, 55855), (1445, 44684), (2890, 22342), (5780, 11171)]