9217720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2917}}^1$

素因数の和:3007

約数の個数: 32

約数和(自身を含む): 21009600

約数和(自身を除く): 11791880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2917, 3160, 5834, 11668, 14585, 23336, 29170, 58340, 116680, 230443, 460886, 921772, 1152215, 1843544, 2304430, 4608860, 9217720]

約数ペア:

[(1, 9217720), (2, 4608860), (4, 2304430), (5, 1843544), (8, 1152215), (10, 921772), (20, 460886), (40, 230443), (79, 116680), (158, 58340), (316, 29170), (395, 23336), (632, 14585), (790, 11668), (1580, 5834), (2917, 3160)]