40793870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 79410240

約数和(自身を除く): 38616370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1009, 1555, 2018, 3110, 4043, 5045, 8086, 10090, 13117, 20215, 26234, 40430, 65585, 131170, 313799, 627598, 1568995, 3137990, 4079387, 8158774, 20396935, 40793870]

約数ペア:

[(1, 40793870), (2, 20396935), (5, 8158774), (10, 4079387), (13, 3137990), (26, 1568995), (65, 627598), (130, 313799), (311, 131170), (622, 65585), (1009, 40430), (1555, 26234), (2018, 20215), (3110, 13117), (4043, 10090), (5045, 8086)]