56191540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 121701888

約数和(自身を除く): 65510348

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 223, 293, 430, 446, 586, 860, 892, 1115, 1172, 1465, 2230, 2930, 4460, 5860, 9589, 12599, 19178, 25198, 38356, 47945, 50396, 62995, 65339, 95890, 125990, 130678, 191780, 251980, 261356, 326695, 653390, 1306780, 2809577, 5619154, 11238308, 14047885, 28095770, 56191540]

約数ペア:

[(1, 56191540), (2, 28095770), (4, 14047885), (5, 11238308), (10, 5619154), (20, 2809577), (43, 1306780), (86, 653390), (172, 326695), (215, 261356), (223, 251980), (293, 191780), (430, 130678), (446, 125990), (586, 95890), (860, 65339), (892, 62995), (1115, 50396), (1172, 47945), (1465, 38356), (2230, 25198), (2930, 19178), (4460, 12599), (5860, 9589)]