51284920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1423}}^1$

素因数の和:1504

約数の個数: 64

約数和(自身を含む): 124571520

約数和(自身を除く): 73286600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1423, 1802, 2120, 2846, 3604, 4505, 5692, 7115, 7208, 9010, 11384, 14230, 18020, 24191, 28460, 36040, 48382, 56920, 75419, 96764, 120955, 150838, 193528, 241910, 301676, 377095, 483820, 603352, 754190, 967640, 1282123, 1508380, 2564246, 3016760, 5128492, 6410615, 10256984, 12821230, 25642460, 51284920]

約数ペア:

[(1, 51284920), (2, 25642460), (4, 12821230), (5, 10256984), (8, 6410615), (10, 5128492), (17, 3016760), (20, 2564246), (34, 1508380), (40, 1282123), (53, 967640), (68, 754190), (85, 603352), (106, 483820), (136, 377095), (170, 301676), (212, 241910), (265, 193528), (340, 150838), (424, 120955), (530, 96764), (680, 75419), (901, 56920), (1060, 48382), (1423, 36040), (1802, 28460), (2120, 24191), (2846, 18020), (3604, 14230), (4505, 11384), (5692, 9010), (7115, 7208)]