8921720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3329}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 20379600

約数和(自身を除く): 11457880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3329, 6658, 13316, 16645, 26632, 33290, 66580, 133160, 223043, 446086, 892172, 1115215, 1784344, 2230430, 4460860, 8921720]

約数ペア:

[(1, 8921720), (2, 4460860), (4, 2230430), (5, 1784344), (8, 1115215), (10, 892172), (20, 446086), (40, 223043), (67, 133160), (134, 66580), (268, 33290), (335, 26632), (536, 16645), (670, 13316), (1340, 6658), (2680, 3329)]