66254920

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3593}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 149438520

約数和(自身を除く): 83183600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3593, 3688, 4610, 7186, 9220, 14372, 17965, 18440, 28744, 35930, 71860, 143720, 1656373, 3312746, 6625492, 8281865, 13250984, 16563730, 33127460, 66254920]

約数ペア:

[(1, 66254920), (2, 33127460), (4, 16563730), (5, 13250984), (8, 8281865), (10, 6625492), (20, 3312746), (40, 1656373), (461, 143720), (922, 71860), (1844, 35930), (2305, 28744), (3593, 18440), (3688, 17965), (4610, 14372), (7186, 9220)]