82876760

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1481}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 186732000

約数和(自身を除く): 103855240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 1481, 2798, 2962, 5596, 5924, 6995, 7405, 11192, 11848, 13990, 14810, 27980, 29620, 55960, 59240, 2071919, 4143838, 8287676, 10359595, 16575352, 20719190, 41438380, 82876760]

約数ペア:

[(1, 82876760), (2, 41438380), (4, 20719190), (5, 16575352), (8, 10359595), (10, 8287676), (20, 4143838), (40, 2071919), (1399, 59240), (1481, 55960), (2798, 29620), (2962, 27980), (5596, 14810), (5924, 13990), (6995, 11848), (7405, 11192)]