71319640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254713}}^1$

素因数の和:254731

約数の個数: 32

約数和(自身を含む): 183394080

約数和(自身を除く): 112074440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254713, 509426, 1018852, 1273565, 1782991, 2037704, 2547130, 3565982, 5094260, 7131964, 8914955, 10188520, 14263928, 17829910, 35659820, 71319640]

約数ペア:

[(1, 71319640), (2, 35659820), (4, 17829910), (5, 14263928), (7, 10188520), (8, 8914955), (10, 7131964), (14, 5094260), (20, 3565982), (28, 2547130), (35, 2037704), (40, 1782991), (56, 1273565), (70, 1018852), (140, 509426), (280, 254713)]