1640860120

素因数分解:

$2^3\times 5^1\times {\mathrm{41021503}}^1$

素因数の和:41021514

約数の個数: 16

約数和(自身を含む): 3691935360

約数和(自身を除く): 2051075240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41021503, 82043006, 164086012, 205107515, 328172024, 410215030, 820430060, 1640860120]

約数ペア:

[(1, 1640860120), (2, 820430060), (4, 410215030), (5, 328172024), (8, 205107515), (10, 164086012), (20, 82043006), (40, 41021503)]