40656860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 91010304

約数和(自身を除く): 50353444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 607, 788, 985, 1214, 1970, 2428, 3035, 3349, 3940, 6070, 6698, 10319, 12140, 13396, 16745, 20638, 33490, 41276, 51595, 66980, 103190, 119579, 206380, 239158, 478316, 597895, 1195790, 2032843, 2391580, 4065686, 8131372, 10164215, 20328430, 40656860]

約数ペア:

[(1, 40656860), (2, 20328430), (4, 10164215), (5, 8131372), (10, 4065686), (17, 2391580), (20, 2032843), (34, 1195790), (68, 597895), (85, 478316), (170, 239158), (197, 206380), (340, 119579), (394, 103190), (607, 66980), (788, 51595), (985, 41276), (1214, 33490), (1970, 20638), (2428, 16745), (3035, 13396), (3349, 12140), (3940, 10319), (6070, 6698)]