13281080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19531}}^1$

素因数の和:19559

約数の個数: 32

約数和(自身を含む): 31641840

約数和(自身を除く): 18360760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19531, 39062, 78124, 97655, 156248, 195310, 332027, 390620, 664054, 781240, 1328108, 1660135, 2656216, 3320270, 6640540, 13281080]

約数ペア:

[(1, 13281080), (2, 6640540), (4, 3320270), (5, 2656216), (8, 1660135), (10, 1328108), (17, 781240), (20, 664054), (34, 390620), (40, 332027), (68, 195310), (85, 156248), (136, 97655), (170, 78124), (340, 39062), (680, 19531)]