99640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 32

約数和(自身を含む): 233280

約数和(自身を除く): 133640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 940, 1060, 1880, 2120, 2491, 4982, 9964, 12455, 19928, 24910, 49820, 99640]

約数ペア:

[(1, 99640), (2, 49820), (4, 24910), (5, 19928), (8, 12455), (10, 9964), (20, 4982), (40, 2491), (47, 2120), (53, 1880), (94, 1060), (106, 940), (188, 530), (212, 470), (235, 424), (265, 376)]