79573840

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2557}}^1$

素因数の和:2959

約数の個数: 40

約数和(自身を含む): 185557320

約数和(自身を除く): 105983480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 2557, 3112, 3890, 5114, 6224, 7780, 10228, 12785, 15560, 20456, 25570, 31120, 40912, 51140, 102280, 204560, 994673, 1989346, 3978692, 4973365, 7957384, 9946730, 15914768, 19893460, 39786920, 79573840]

約数ペア:

[(1, 79573840), (2, 39786920), (4, 19893460), (5, 15914768), (8, 9946730), (10, 7957384), (16, 4973365), (20, 3978692), (40, 1989346), (80, 994673), (389, 204560), (778, 102280), (1556, 51140), (1945, 40912), (2557, 31120), (3112, 25570), (3890, 20456), (5114, 15560), (6224, 12785), (7780, 10228)]