66920740

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{12347}}^1$

素因数の和:12627

約数の個数: 24

約数和(自身を含む): 141063552

約数和(自身を除く): 74142812

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 12347, 24694, 49388, 61735, 123470, 246940, 3346037, 6692074, 13384148, 16730185, 33460370, 66920740]

約数ペア:

[(1, 66920740), (2, 33460370), (4, 16730185), (5, 13384148), (10, 6692074), (20, 3346037), (271, 246940), (542, 123470), (1084, 61735), (1355, 49388), (2710, 24694), (5420, 12347)]