5151250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:352

約数の個数: 40

約数和(自身を含む): 10431036

約数和(自身を除く): 5279786

約数列:

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

約数ペア:

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