51260740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42017}}^1$

素因数の和:42087

約数の個数: 24

約数和(自身を含む): 109414872

約数和(自身を除く): 58154132

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 42017, 84034, 168068, 210085, 420170, 840340, 2563037, 5126074, 10252148, 12815185, 25630370, 51260740]

約数ペア:

[(1, 51260740), (2, 25630370), (4, 12815185), (5, 10252148), (10, 5126074), (20, 2563037), (61, 840340), (122, 420170), (244, 210085), (305, 168068), (610, 84034), (1220, 42017)]