66421750

素因数分解:

$2^1\times 5^3\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 124843680

約数和(自身を除く): 58421930

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 389, 683, 778, 1366, 1945, 3415, 3890, 6830, 9725, 17075, 19450, 34150, 48625, 85375, 97250, 170750, 265687, 531374, 1328435, 2656870, 6642175, 13284350, 33210875, 66421750]

約数ペア:

[(1, 66421750), (2, 33210875), (5, 13284350), (10, 6642175), (25, 2656870), (50, 1328435), (125, 531374), (250, 265687), (389, 170750), (683, 97250), (778, 85375), (1366, 48625), (1945, 34150), (3415, 19450), (3890, 17075), (6830, 9725)]