64796875

素因数分解:

$5^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 56

約数和(自身を含む): 98436240

約数和(自身を除く): 33639365

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 125, 143, 145, 275, 319, 325, 377, 625, 715, 725, 1375, 1595, 1625, 1885, 3125, 3575, 3625, 4147, 6875, 7975, 8125, 9425, 15625, 17875, 18125, 20735, 34375, 39875, 40625, 47125, 89375, 90625, 103675, 171875, 199375, 203125, 235625, 446875, 453125, 518375, 996875, 1178125, 2234375, 2591875, 4984375, 5890625, 12959375, 64796875]

約数ペア:

[(1, 64796875), (5, 12959375), (11, 5890625), (13, 4984375), (25, 2591875), (29, 2234375), (55, 1178125), (65, 996875), (125, 518375), (143, 453125), (145, 446875), (275, 235625), (319, 203125), (325, 199375), (377, 171875), (625, 103675), (715, 90625), (725, 89375), (1375, 47125), (1595, 40625), (1625, 39875), (1885, 34375), (3125, 20735), (3575, 18125), (3625, 17875), (4147, 15625), (6875, 9425), (7975, 8125)]