1355778860

素因数分解:

$2^2\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{16943}}^1$

素因数の和:20953

約数の個数: 24

約数和(自身を含む): 2848015296

約数和(自身を除く): 1492236436

約数列:

[1, 2, 4, 5, 10, 20, 4001, 8002, 16004, 16943, 20005, 33886, 40010, 67772, 80020, 84715, 169430, 338860, 67788943, 135577886, 271155772, 338944715, 677889430, 1355778860]

約数ペア:

[(1, 1355778860), (2, 677889430), (4, 338944715), (5, 271155772), (10, 135577886), (20, 67788943), (4001, 338860), (8002, 169430), (16004, 84715), (16943, 80020), (20005, 67772), (33886, 40010)]