28372640

素因数分解:

$2^5\times 5^1\times {\mathrm{383}}^1\times {\mathrm{463}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 67350528

約数和(自身を除く): 38977888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 463, 766, 926, 1532, 1852, 1915, 2315, 3064, 3704, 3830, 4630, 6128, 7408, 7660, 9260, 12256, 14816, 15320, 18520, 30640, 37040, 61280, 74080, 177329, 354658, 709316, 886645, 1418632, 1773290, 2837264, 3546580, 5674528, 7093160, 14186320, 28372640]

約数ペア:

[(1, 28372640), (2, 14186320), (4, 7093160), (5, 5674528), (8, 3546580), (10, 2837264), (16, 1773290), (20, 1418632), (32, 886645), (40, 709316), (80, 354658), (160, 177329), (383, 74080), (463, 61280), (766, 37040), (926, 30640), (1532, 18520), (1852, 15320), (1915, 14816), (2315, 12256), (3064, 9260), (3704, 7660), (3830, 7408), (4630, 6128)]