9988640

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 23804928

約数和(自身を除く): 13816288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 383, 652, 766, 815, 1304, 1532, 1630, 1915, 2608, 3064, 3260, 3830, 5216, 6128, 6520, 7660, 12256, 13040, 15320, 26080, 30640, 61280, 62429, 124858, 249716, 312145, 499432, 624290, 998864, 1248580, 1997728, 2497160, 4994320, 9988640]

約数ペア:

[(1, 9988640), (2, 4994320), (4, 2497160), (5, 1997728), (8, 1248580), (10, 998864), (16, 624290), (20, 499432), (32, 312145), (40, 249716), (80, 124858), (160, 62429), (163, 61280), (326, 30640), (383, 26080), (652, 15320), (766, 13040), (815, 12256), (1304, 7660), (1532, 6520), (1630, 6128), (1915, 5216), (2608, 3830), (3064, 3260)]