87865375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 119246400

約数和(自身を除く): 31381025

約数列:

[1, 5, 13, 25, 65, 125, 139, 325, 389, 695, 1625, 1807, 1945, 3475, 5057, 9035, 9725, 17375, 25285, 45175, 48625, 54071, 126425, 225875, 270355, 632125, 702923, 1351775, 3514615, 6758875, 17573075, 87865375]

約数ペア:

[(1, 87865375), (5, 17573075), (13, 6758875), (25, 3514615), (65, 1351775), (125, 702923), (139, 632125), (325, 270355), (389, 225875), (695, 126425), (1625, 54071), (1807, 48625), (1945, 45175), (3475, 25285), (5057, 17375), (9035, 9725)]