1288892510

素因数分解:

$2^1\times 5^1\times {\mathrm{5861}}^1\times {\mathrm{21991}}^1$

素因数の和:27859

約数の個数: 16

約数和(自身を含む): 2320507872

約数和(自身を除く): 1031615362

約数列:

[1, 2, 5, 10, 5861, 11722, 21991, 29305, 43982, 58610, 109955, 219910, 128889251, 257778502, 644446255, 1288892510]

約数ペア:

[(1, 1288892510), (2, 644446255), (5, 257778502), (10, 128889251), (5861, 219910), (11722, 109955), (21991, 58610), (29305, 43982)]