30866875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 43298640

約数和(自身を除く): 12431765

約数列:

[1, 5, 13, 25, 29, 65, 125, 131, 145, 325, 377, 625, 655, 725, 1625, 1703, 1885, 3275, 3625, 3799, 8125, 8515, 9425, 16375, 18125, 18995, 42575, 47125, 49387, 81875, 94975, 212875, 235625, 246935, 474875, 1064375, 1234675, 2374375, 6173375, 30866875]

約数ペア:

[(1, 30866875), (5, 6173375), (13, 2374375), (25, 1234675), (29, 1064375), (65, 474875), (125, 246935), (131, 235625), (145, 212875), (325, 94975), (377, 81875), (625, 49387), (655, 47125), (725, 42575), (1625, 18995), (1703, 18125), (1885, 16375), (3275, 9425), (3625, 8515), (3799, 8125)]