2040140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 4339440

約数和(自身を除く): 2299300

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1229, 1660, 2458, 4916, 6145, 12290, 24580, 102007, 204014, 408028, 510035, 1020070, 2040140]

約数ペア:

[(1, 2040140), (2, 1020070), (4, 510035), (5, 408028), (10, 204014), (20, 102007), (83, 24580), (166, 12290), (332, 6145), (415, 4916), (830, 2458), (1229, 1660)]