81486125

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4049}}^1$

素因数の和:4094

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 39819475

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 2875, 4025, 4049, 20125, 20245, 28343, 93127, 101225, 141715, 465635, 506125, 651889, 708575, 2328175, 3259445, 3542875, 11640875, 16297225, 81486125]

約数ペア:

[(1, 81486125), (5, 16297225), (7, 11640875), (23, 3542875), (25, 3259445), (35, 2328175), (115, 708575), (125, 651889), (161, 506125), (175, 465635), (575, 141715), (805, 101225), (875, 93127), (2875, 28343), (4025, 20245), (4049, 20125)]