40047020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154027}}^1$

素因数の和:154049

約数の個数: 24

約数和(自身を含む): 90568464

約数和(自身を除く): 50521444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154027, 308054, 616108, 770135, 1540270, 2002351, 3080540, 4004702, 8009404, 10011755, 20023510, 40047020]

約数ペア:

[(1, 40047020), (2, 20023510), (4, 10011755), (5, 8009404), (10, 4004702), (13, 3080540), (20, 2002351), (26, 1540270), (52, 770135), (65, 616108), (130, 308054), (260, 154027)]