81148730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{48017}}^1$

素因数の和:48050

約数の個数: 24

約数和(自身を含む): 158171292

約数和(自身を除く): 77022562

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 48017, 96034, 240085, 480170, 624221, 1248442, 3121105, 6242210, 8114873, 16229746, 40574365, 81148730]

約数ペア:

[(1, 81148730), (2, 40574365), (5, 16229746), (10, 8114873), (13, 6242210), (26, 3121105), (65, 1248442), (130, 624221), (169, 480170), (338, 240085), (845, 96034), (1690, 48017)]