80679625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 109549440

約数和(自身を除く): 28869815

約数列:

[1, 5, 13, 25, 65, 125, 131, 325, 379, 655, 1625, 1703, 1895, 3275, 4927, 8515, 9475, 16375, 24635, 42575, 47375, 49649, 123175, 212875, 248245, 615875, 645437, 1241225, 3227185, 6206125, 16135925, 80679625]

約数ペア:

[(1, 80679625), (5, 16135925), (13, 6206125), (25, 3227185), (65, 1241225), (125, 645437), (131, 615875), (325, 248245), (379, 212875), (655, 123175), (1625, 49649), (1703, 47375), (1895, 42575), (3275, 24635), (4927, 16375), (8515, 9475)]