68198750

素因数分解:

$2^1\times 5^4\times {\mathrm{54559}}^1$

素因数の和:54581

約数の個数: 20

約数和(自身を含む): 127834080

約数和(自身を除く): 59635330

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 54559, 109118, 272795, 545590, 1363975, 2727950, 6819875, 13639750, 34099375, 68198750]

約数ペア:

[(1, 68198750), (2, 34099375), (5, 13639750), (10, 6819875), (25, 2727950), (50, 1363975), (125, 545590), (250, 272795), (625, 109118), (1250, 54559)]