1520291420

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{135017}}^1$

素因数の和:135589

約数の個数: 24

約数和(自身を含む): 3198306384

約数和(自身を除く): 1678014964

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 11260, 135017, 270034, 540068, 675085, 1350170, 2700340, 76014571, 152029142, 304058284, 380072855, 760145710, 1520291420]

約数ペア:

[(1, 1520291420), (2, 760145710), (4, 380072855), (5, 304058284), (10, 152029142), (20, 76014571), (563, 2700340), (1126, 1350170), (2252, 675085), (2815, 540068), (5630, 270034), (11260, 135017)]