51423640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1684

約数の個数: 64

約数和(自身を含む): 125193600

約数和(自身を除く): 73769960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1609, 1880, 3196, 3218, 3995, 6392, 6436, 7990, 8045, 12872, 15980, 16090, 27353, 31960, 32180, 54706, 64360, 75623, 109412, 136765, 151246, 218824, 273530, 302492, 378115, 547060, 604984, 756230, 1094120, 1285591, 1512460, 2571182, 3024920, 5142364, 6427955, 10284728, 12855910, 25711820, 51423640]

約数ペア:

[(1, 51423640), (2, 25711820), (4, 12855910), (5, 10284728), (8, 6427955), (10, 5142364), (17, 3024920), (20, 2571182), (34, 1512460), (40, 1285591), (47, 1094120), (68, 756230), (85, 604984), (94, 547060), (136, 378115), (170, 302492), (188, 273530), (235, 218824), (340, 151246), (376, 136765), (470, 109412), (680, 75623), (799, 64360), (940, 54706), (1598, 32180), (1609, 31960), (1880, 27353), (3196, 16090), (3218, 15980), (3995, 12872), (6392, 8045), (6436, 7990)]