64762900

素因数分解:

$2^2\times 5^2\times {\mathrm{491}}^1\times {\mathrm{1319}}^1$

素因数の和:1824

約数の個数: 36

約数和(自身を含む): 140928480

約数和(自身を除く): 76165580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 491, 982, 1319, 1964, 2455, 2638, 4910, 5276, 6595, 9820, 12275, 13190, 24550, 26380, 32975, 49100, 65950, 131900, 647629, 1295258, 2590516, 3238145, 6476290, 12952580, 16190725, 32381450, 64762900]

約数ペア:

[(1, 64762900), (2, 32381450), (4, 16190725), (5, 12952580), (10, 6476290), (20, 3238145), (25, 2590516), (50, 1295258), (100, 647629), (491, 131900), (982, 65950), (1319, 49100), (1964, 32975), (2455, 26380), (2638, 24550), (4910, 13190), (5276, 12275), (6595, 9820)]