15940760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36229}}^1$

素因数の和:36251

約数の個数: 32

約数和(自身を含む): 39128400

約数和(自身を除く): 23187640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 36229, 72458, 144916, 181145, 289832, 362290, 398519, 724580, 797038, 1449160, 1594076, 1992595, 3188152, 3985190, 7970380, 15940760]

約数ペア:

[(1, 15940760), (2, 7970380), (4, 3985190), (5, 3188152), (8, 1992595), (10, 1594076), (11, 1449160), (20, 797038), (22, 724580), (40, 398519), (44, 362290), (55, 289832), (88, 181145), (110, 144916), (220, 72458), (440, 36229)]