74656280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17123}}^1$

素因数の和:17243

約数の個数: 32

約数和(自身を含む): 169527600

約数和(自身を除く): 94871320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 17123, 34246, 68492, 85615, 136984, 171230, 342460, 684920, 1866407, 3732814, 7465628, 9332035, 14931256, 18664070, 37328140, 74656280]

約数ペア:

[(1, 74656280), (2, 37328140), (4, 18664070), (5, 14931256), (8, 9332035), (10, 7465628), (20, 3732814), (40, 1866407), (109, 684920), (218, 342460), (436, 171230), (545, 136984), (872, 85615), (1090, 68492), (2180, 34246), (4360, 17123)]