2103308840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{520621}}^1$

素因数の和:520733

約数の個数: 32

約数和(自身を含む): 4779309960

約数和(自身を除く): 2676001120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 520621, 1041242, 2082484, 2603105, 4164968, 5206210, 10412420, 20824840, 52582721, 105165442, 210330884, 262913605, 420661768, 525827210, 1051654420, 2103308840]

約数ペア:

[(1, 2103308840), (2, 1051654420), (4, 525827210), (5, 420661768), (8, 262913605), (10, 210330884), (20, 105165442), (40, 52582721), (101, 20824840), (202, 10412420), (404, 5206210), (505, 4164968), (808, 2603105), (1010, 2082484), (2020, 1041242), (4040, 520621)]