2812788897020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1392469751}}^1$

素因数の和:1392469861

約数の個数: 24

約数和(自身を含む): 5965340417568

約数和(自身を除く): 3152551520548

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 1392469751, 2784939502, 5569879004, 6962348755, 13924697510, 27849395020, 140639444851, 281278889702, 562557779404, 703197224255, 1406394448510, 2812788897020]

約数ペア:

[(1, 2812788897020), (2, 1406394448510), (4, 703197224255), (5, 562557779404), (10, 281278889702), (20, 140639444851), (101, 27849395020), (202, 13924697510), (404, 6962348755), (505, 5569879004), (1010, 2784939502), (2020, 1392469751)]