38211620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31321}}^1$

素因数の和:31391

約数の個数: 24

約数和(自身を含む): 81562488

約数和(自身を除く): 43350868

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 31321, 62642, 125284, 156605, 313210, 626420, 1910581, 3821162, 7642324, 9552905, 19105810, 38211620]

約数ペア:

[(1, 38211620), (2, 19105810), (4, 9552905), (5, 7642324), (10, 3821162), (20, 1910581), (61, 626420), (122, 313210), (244, 156605), (305, 125284), (610, 62642), (1220, 31321)]