2219120

素因数分解:

$2^4\times 5^1\times {\mathrm{27739}}^1$

素因数の和:27752

約数の個数: 20

約数和(自身を含む): 5159640

約数和(自身を除く): 2940520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27739, 55478, 110956, 138695, 221912, 277390, 443824, 554780, 1109560, 2219120]

約数ペア:

[(1, 2219120), (2, 1109560), (4, 554780), (5, 443824), (8, 277390), (10, 221912), (16, 138695), (20, 110956), (40, 55478), (80, 27739)]