7920625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 11246400

約数和(自身を除く): 3325775

約数列:

[1, 5, 19, 23, 25, 29, 95, 115, 125, 145, 437, 475, 551, 575, 625, 667, 725, 2185, 2375, 2755, 2875, 3335, 3625, 10925, 11875, 12673, 13775, 14375, 16675, 18125, 54625, 63365, 68875, 83375, 273125, 316825, 344375, 416875, 1584125, 7920625]

約数ペア:

[(1, 7920625), (5, 1584125), (19, 416875), (23, 344375), (25, 316825), (29, 273125), (95, 83375), (115, 68875), (125, 63365), (145, 54625), (437, 18125), (475, 16675), (551, 14375), (575, 13775), (625, 12673), (667, 11875), (725, 10925), (2185, 3625), (2375, 3335), (2755, 2875)]