71796680

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1399}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 161784000

約数和(自身を除く): 89987320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1399, 2566, 2798, 5132, 5596, 6415, 6995, 10264, 11192, 12830, 13990, 25660, 27980, 51320, 55960, 1794917, 3589834, 7179668, 8974585, 14359336, 17949170, 35898340, 71796680]

約数ペア:

[(1, 71796680), (2, 35898340), (4, 17949170), (5, 14359336), (8, 8974585), (10, 7179668), (20, 3589834), (40, 1794917), (1283, 55960), (1399, 51320), (2566, 27980), (2798, 25660), (5132, 13990), (5596, 12830), (6415, 11192), (6995, 10264)]