71591980

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{6269}}^1$

素因数の和:6849

約数の個数: 24

約数和(自身を含む): 150630480

約数和(自身を除く): 79038500

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 6269, 11420, 12538, 25076, 31345, 62690, 125380, 3579599, 7159198, 14318396, 17897995, 35795990, 71591980]

約数ペア:

[(1, 71591980), (2, 35795990), (4, 17897995), (5, 14318396), (10, 7159198), (20, 3579599), (571, 125380), (1142, 62690), (2284, 31345), (2855, 25076), (5710, 12538), (6269, 11420)]