55881940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 121080960

約数和(自身を除く): 65199020

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 359, 362, 430, 718, 724, 860, 905, 1436, 1795, 1810, 3590, 3620, 7180, 7783, 15437, 15566, 30874, 31132, 38915, 61748, 64979, 77185, 77830, 129958, 154370, 155660, 259916, 308740, 324895, 649790, 1299580, 2794097, 5588194, 11176388, 13970485, 27940970, 55881940]

約数ペア:

[(1, 55881940), (2, 27940970), (4, 13970485), (5, 11176388), (10, 5588194), (20, 2794097), (43, 1299580), (86, 649790), (172, 324895), (181, 308740), (215, 259916), (359, 155660), (362, 154370), (430, 129958), (718, 77830), (724, 77185), (860, 64979), (905, 61748), (1436, 38915), (1795, 31132), (1810, 30874), (3590, 15566), (3620, 15437), (7180, 7783)]