2019907940

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{322669}}^1$

素因数の和:322991

約数の個数: 24

約数和(自身を含む): 4255371960

約数和(自身を除く): 2235464020

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 322669, 645338, 1290676, 1613345, 3226690, 6453380, 100995397, 201990794, 403981588, 504976985, 1009953970, 2019907940]

約数ペア:

[(1, 2019907940), (2, 1009953970), (4, 504976985), (5, 403981588), (10, 201990794), (20, 100995397), (313, 6453380), (626, 3226690), (1252, 1613345), (1565, 1290676), (3130, 645338), (6260, 322669)]