40998500

素因数分解:

$2^2\times 5^3\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 90260352

約数和(自身を除く): 49261852

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 167, 250, 334, 491, 500, 668, 835, 982, 1670, 1964, 2455, 3340, 4175, 4910, 8350, 9820, 12275, 16700, 20875, 24550, 41750, 49100, 61375, 81997, 83500, 122750, 163994, 245500, 327988, 409985, 819970, 1639940, 2049925, 4099850, 8199700, 10249625, 20499250, 40998500]

約数ペア:

[(1, 40998500), (2, 20499250), (4, 10249625), (5, 8199700), (10, 4099850), (20, 2049925), (25, 1639940), (50, 819970), (100, 409985), (125, 327988), (167, 245500), (250, 163994), (334, 122750), (491, 83500), (500, 81997), (668, 61375), (835, 49100), (982, 41750), (1670, 24550), (1964, 20875), (2455, 16700), (3340, 12275), (4175, 9820), (4910, 8350)]