90479920

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2953}}^1$

素因数の和:3349

約数の個数: 40

約数和(自身を含む): 210986496

約数和(自身を除く): 120506576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 2953, 3064, 3830, 5906, 6128, 7660, 11812, 14765, 15320, 23624, 29530, 30640, 47248, 59060, 118120, 236240, 1130999, 2261998, 4523996, 5654995, 9047992, 11309990, 18095984, 22619980, 45239960, 90479920]

約数ペア:

[(1, 90479920), (2, 45239960), (4, 22619980), (5, 18095984), (8, 11309990), (10, 9047992), (16, 5654995), (20, 4523996), (40, 2261998), (80, 1130999), (383, 236240), (766, 118120), (1532, 59060), (1915, 47248), (2953, 30640), (3064, 29530), (3830, 23624), (5906, 15320), (6128, 14765), (7660, 11812)]