2825702920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{648097}}^1$

素因数の和:648217

約数の個数: 32

約数和(自身を含む): 6416170200

約数和(自身を除く): 3590467280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 648097, 1296194, 2592388, 3240485, 5184776, 6480970, 12961940, 25923880, 70642573, 141285146, 282570292, 353212865, 565140584, 706425730, 1412851460, 2825702920]

約数ペア:

[(1, 2825702920), (2, 1412851460), (4, 706425730), (5, 565140584), (8, 353212865), (10, 282570292), (20, 141285146), (40, 70642573), (109, 25923880), (218, 12961940), (436, 6480970), (545, 5184776), (872, 3240485), (1090, 2592388), (2180, 1296194), (4360, 648097)]