39628420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{152417}}^1$

素因数の和:152439

約数の個数: 24

約数和(自身を含む): 89621784

約数和(自身を除く): 49993364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 152417, 304834, 609668, 762085, 1524170, 1981421, 3048340, 3962842, 7925684, 9907105, 19814210, 39628420]

約数ペア:

[(1, 39628420), (2, 19814210), (4, 9907105), (5, 7925684), (10, 3962842), (13, 3048340), (20, 1981421), (26, 1524170), (52, 762085), (65, 609668), (130, 304834), (260, 152417)]