2173240

素因数分解:

$2^3\times 5^1\times {\mathrm{54331}}^1$

素因数の和:54342

約数の個数: 16

約数和(自身を含む): 4889880

約数和(自身を除く): 2716640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54331, 108662, 217324, 271655, 434648, 543310, 1086620, 2173240]

約数ペア:

[(1, 2173240), (2, 1086620), (4, 543310), (5, 434648), (8, 271655), (10, 217324), (20, 108662), (40, 54331)]