1326279620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{16451}}^1$

素因数の和:16628

約数の個数: 48

約数和(自身を含む): 2902132800

約数和(自身を除く): 1575853180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 8062, 16124, 16451, 20155, 32902, 40310, 65804, 80620, 82255, 164510, 329020, 477079, 954158, 1908316, 2286689, 2385395, 4573378, 4770790, 9146756, 9541580, 11433445, 22866890, 45733780, 66313981, 132627962, 265255924, 331569905, 663139810, 1326279620]

約数ペア:

[(1, 1326279620), (2, 663139810), (4, 331569905), (5, 265255924), (10, 132627962), (20, 66313981), (29, 45733780), (58, 22866890), (116, 11433445), (139, 9541580), (145, 9146756), (278, 4770790), (290, 4573378), (556, 2385395), (580, 2286689), (695, 1908316), (1390, 954158), (2780, 477079), (4031, 329020), (8062, 164510), (16124, 82255), (16451, 80620), (20155, 65804), (32902, 40310)]