40329460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 86788800

約数和(自身を除く): 46459340

約数列:

[1, 2, 4, 5, 10, 20, 89, 139, 163, 178, 278, 326, 356, 445, 556, 652, 695, 815, 890, 1390, 1630, 1780, 2780, 3260, 12371, 14507, 22657, 24742, 29014, 45314, 49484, 58028, 61855, 72535, 90628, 113285, 123710, 145070, 226570, 247420, 290140, 453140, 2016473, 4032946, 8065892, 10082365, 20164730, 40329460]

約数ペア:

[(1, 40329460), (2, 20164730), (4, 10082365), (5, 8065892), (10, 4032946), (20, 2016473), (89, 453140), (139, 290140), (163, 247420), (178, 226570), (278, 145070), (326, 123710), (356, 113285), (445, 90628), (556, 72535), (652, 61855), (695, 58028), (815, 49484), (890, 45314), (1390, 29014), (1630, 24742), (1780, 22657), (2780, 14507), (3260, 12371)]