130004020

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{6379}}^1$

素因数の和:7407

約数の個数: 24

約数和(自身を含む): 273319200

約数和(自身を除く): 143315180

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 6379, 10190, 12758, 20380, 25516, 31895, 63790, 127580, 6500201, 13000402, 26000804, 32501005, 65002010, 130004020]

約数ペア:

[(1, 130004020), (2, 65002010), (4, 32501005), (5, 26000804), (10, 13000402), (20, 6500201), (1019, 127580), (2038, 63790), (4076, 31895), (5095, 25516), (6379, 20380), (10190, 12758)]