42399400

素因数分解:

$2^3\times 5^2\times {\mathrm{211997}}^1$

素因数の和:212013

約数の個数: 24

約数和(自身を含む): 98579070

約数和(自身を除く): 56179670

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211997, 423994, 847988, 1059985, 1695976, 2119970, 4239940, 5299925, 8479880, 10599850, 21199700, 42399400]

約数ペア:

[(1, 42399400), (2, 21199700), (4, 10599850), (5, 8479880), (8, 5299925), (10, 4239940), (20, 2119970), (25, 1695976), (40, 1059985), (50, 847988), (100, 423994), (200, 211997)]