199977508750

素因数分解:

$2^1\times 5^4\times {\mathrm{159982007}}^1$

素因数の和:159982029

約数の個数: 20

約数和(自身を含む): 374837844744

約数和(自身を除く): 174860335994

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 159982007, 319964014, 799910035, 1599820070, 3999550175, 7999100350, 19997750875, 39995501750, 99988754375, 199977508750]

約数ペア:

[(1, 199977508750), (2, 99988754375), (5, 39995501750), (10, 19997750875), (25, 7999100350), (50, 3999550175), (125, 1599820070), (250, 799910035), (625, 319964014), (1250, 159982007)]