66064220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54151}}^1$

素因数の和:54221

約数の個数: 24

約数和(自身を含む): 141011808

約数和(自身を除く): 74947588

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 54151, 108302, 216604, 270755, 541510, 1083020, 3303211, 6606422, 13212844, 16516055, 33032110, 66064220]

約数ペア:

[(1, 66064220), (2, 33032110), (4, 16516055), (5, 13212844), (10, 6606422), (20, 3303211), (61, 1083020), (122, 541510), (244, 270755), (305, 216604), (610, 108302), (1220, 54151)]