2054680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 4775040

約数和(自身を除く): 2720360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1657, 3314, 6628, 8285, 13256, 16570, 33140, 51367, 66280, 102734, 205468, 256835, 410936, 513670, 1027340, 2054680]

約数ペア:

[(1, 2054680), (2, 1027340), (4, 513670), (5, 410936), (8, 256835), (10, 205468), (20, 102734), (31, 66280), (40, 51367), (62, 33140), (124, 16570), (155, 13256), (248, 8285), (310, 6628), (620, 3314), (1240, 1657)]