40235240

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1399}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 50484760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 1399, 1438, 2798, 2876, 3595, 5596, 5752, 6995, 7190, 11192, 13990, 14380, 27980, 28760, 55960, 1005881, 2011762, 4023524, 5029405, 8047048, 10058810, 20117620, 40235240]

約数ペア:

[(1, 40235240), (2, 20117620), (4, 10058810), (5, 8047048), (8, 5029405), (10, 4023524), (20, 2011762), (40, 1005881), (719, 55960), (1399, 28760), (1438, 27980), (2798, 14380), (2876, 13990), (3595, 11192), (5596, 7190), (5752, 6995)]