56140720

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1229}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 130862160

約数和(自身を除く): 74721440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1229, 2284, 2458, 2855, 4568, 4916, 5710, 6145, 9136, 9832, 11420, 12290, 19664, 22840, 24580, 45680, 49160, 98320, 701759, 1403518, 2807036, 3508795, 5614072, 7017590, 11228144, 14035180, 28070360, 56140720]

約数ペア:

[(1, 56140720), (2, 28070360), (4, 14035180), (5, 11228144), (8, 7017590), (10, 5614072), (16, 3508795), (20, 2807036), (40, 1403518), (80, 701759), (571, 98320), (1142, 49160), (1229, 45680), (2284, 24580), (2458, 22840), (2855, 19664), (4568, 12290), (4916, 11420), (5710, 9832), (6145, 9136)]