65630380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{36871}}^1$

素因数の和:36969

約数の個数: 24

約数和(自身を含む): 139376160

約数和(自身を除く): 73745780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 36871, 73742, 147484, 184355, 368710, 737420, 3281519, 6563038, 13126076, 16407595, 32815190, 65630380]

約数ペア:

[(1, 65630380), (2, 32815190), (4, 16407595), (5, 13126076), (10, 6563038), (20, 3281519), (89, 737420), (178, 368710), (356, 184355), (445, 147484), (890, 73742), (1780, 36871)]