42719240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 101468160

約数和(自身を除く): 58748920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 733, 940, 1240, 1457, 1466, 1880, 2914, 2932, 3665, 5828, 5864, 7285, 7330, 11656, 14570, 14660, 22723, 29140, 29320, 34451, 45446, 58280, 68902, 90892, 113615, 137804, 172255, 181784, 227230, 275608, 344510, 454460, 689020, 908920, 1067981, 1378040, 2135962, 4271924, 5339905, 8543848, 10679810, 21359620, 42719240]

約数ペア:

[(1, 42719240), (2, 21359620), (4, 10679810), (5, 8543848), (8, 5339905), (10, 4271924), (20, 2135962), (31, 1378040), (40, 1067981), (47, 908920), (62, 689020), (94, 454460), (124, 344510), (155, 275608), (188, 227230), (235, 181784), (248, 172255), (310, 137804), (376, 113615), (470, 90892), (620, 68902), (733, 58280), (940, 45446), (1240, 34451), (1457, 29320), (1466, 29140), (1880, 22723), (2914, 14660), (2932, 14570), (3665, 11656), (5828, 7330), (5864, 7285)]