402653560

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{22027}}^1$

素因数の和:22495

約数の個数: 32

約数和(自身を含む): 907994160

約数和(自身を除く): 505340600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 9140, 18280, 22027, 44054, 88108, 110135, 176216, 220270, 440540, 881080, 10066339, 20132678, 40265356, 50331695, 80530712, 100663390, 201326780, 402653560]

約数ペア:

[(1, 402653560), (2, 201326780), (4, 100663390), (5, 80530712), (8, 50331695), (10, 40265356), (20, 20132678), (40, 10066339), (457, 881080), (914, 440540), (1828, 220270), (2285, 176216), (3656, 110135), (4570, 88108), (9140, 44054), (18280, 22027)]