53136875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 74226240

約数和(自身を除く): 21089365

約数列:

[1, 5, 11, 25, 55, 59, 125, 131, 275, 295, 625, 649, 655, 1375, 1441, 1475, 3245, 3275, 6875, 7205, 7375, 7729, 16225, 16375, 36025, 36875, 38645, 81125, 81875, 85019, 180125, 193225, 405625, 425095, 900625, 966125, 2125475, 4830625, 10627375, 53136875]

約数ペア:

[(1, 53136875), (5, 10627375), (11, 4830625), (25, 2125475), (55, 966125), (59, 900625), (125, 425095), (131, 405625), (275, 193225), (295, 180125), (625, 85019), (649, 81875), (655, 81125), (1375, 38645), (1441, 36875), (1475, 36025), (3245, 16375), (3275, 16225), (6875, 7729), (7205, 7375)]