38477920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1423}}^1$

素因数の和:1464

約数の個数: 72

約数和(自身を含む): 98503776

約数和(自身を除く): 60025856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1423, 1690, 2080, 2704, 2846, 3380, 5408, 5692, 6760, 7115, 11384, 13520, 14230, 18499, 22768, 27040, 28460, 36998, 45536, 56920, 73996, 92495, 113840, 147992, 184990, 227680, 240487, 295984, 369980, 480974, 591968, 739960, 961948, 1202435, 1479920, 1923896, 2404870, 2959840, 3847792, 4809740, 7695584, 9619480, 19238960, 38477920]

約数ペア:

[(1, 38477920), (2, 19238960), (4, 9619480), (5, 7695584), (8, 4809740), (10, 3847792), (13, 2959840), (16, 2404870), (20, 1923896), (26, 1479920), (32, 1202435), (40, 961948), (52, 739960), (65, 591968), (80, 480974), (104, 369980), (130, 295984), (160, 240487), (169, 227680), (208, 184990), (260, 147992), (338, 113840), (416, 92495), (520, 73996), (676, 56920), (845, 45536), (1040, 36998), (1352, 28460), (1423, 27040), (1690, 22768), (2080, 18499), (2704, 14230), (2846, 13520), (3380, 11384), (5408, 7115), (5692, 6760)]