25756250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 52168536

約数和(自身を除く): 26412286

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 317, 325, 625, 634, 650, 1250, 1585, 1625, 3125, 3170, 3250, 4121, 6250, 7925, 8125, 8242, 15850, 16250, 20605, 39625, 40625, 41210, 79250, 81250, 103025, 198125, 206050, 396250, 515125, 990625, 1030250, 1981250, 2575625, 5151250, 12878125, 25756250]

約数ペア:

[(1, 25756250), (2, 12878125), (5, 5151250), (10, 2575625), (13, 1981250), (25, 1030250), (26, 990625), (50, 515125), (65, 396250), (125, 206050), (130, 198125), (250, 103025), (317, 81250), (325, 79250), (625, 41210), (634, 40625), (650, 39625), (1250, 20605), (1585, 16250), (1625, 15850), (3125, 8242), (3170, 8125), (3250, 7925), (4121, 6250)]