12521720

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1367}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 28317600

約数和(自身を除く): 15795880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1367, 1832, 2290, 2734, 4580, 5468, 6835, 9160, 10936, 13670, 27340, 54680, 313043, 626086, 1252172, 1565215, 2504344, 3130430, 6260860, 12521720]

約数ペア:

[(1, 12521720), (2, 6260860), (4, 3130430), (5, 2504344), (8, 1565215), (10, 1252172), (20, 626086), (40, 313043), (229, 54680), (458, 27340), (916, 13670), (1145, 10936), (1367, 9160), (1832, 6835), (2290, 5468), (2734, 4580)]