38101820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31231}}^1$

素因数の和:31301

約数の個数: 24

約数和(自身を含む): 81328128

約数和(自身を除く): 43226308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 31231, 62462, 124924, 156155, 312310, 624620, 1905091, 3810182, 7620364, 9525455, 19050910, 38101820]

約数ペア:

[(1, 38101820), (2, 19050910), (4, 9525455), (5, 7620364), (10, 3810182), (20, 1905091), (61, 624620), (122, 312310), (244, 156155), (305, 124924), (610, 62462), (1220, 31231)]