39656720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 96422400

約数和(自身を除く): 56765680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 53, 80, 94, 106, 188, 199, 212, 235, 265, 376, 398, 424, 470, 530, 752, 796, 848, 940, 995, 1060, 1592, 1880, 1990, 2120, 2491, 3184, 3760, 3980, 4240, 4982, 7960, 9353, 9964, 10547, 12455, 15920, 18706, 19928, 21094, 24910, 37412, 39856, 42188, 46765, 49820, 52735, 74824, 84376, 93530, 99640, 105470, 149648, 168752, 187060, 199280, 210940, 374120, 421880, 495709, 748240, 843760, 991418, 1982836, 2478545, 3965672, 4957090, 7931344, 9914180, 19828360, 39656720]

約数ペア:

[(1, 39656720), (2, 19828360), (4, 9914180), (5, 7931344), (8, 4957090), (10, 3965672), (16, 2478545), (20, 1982836), (40, 991418), (47, 843760), (53, 748240), (80, 495709), (94, 421880), (106, 374120), (188, 210940), (199, 199280), (212, 187060), (235, 168752), (265, 149648), (376, 105470), (398, 99640), (424, 93530), (470, 84376), (530, 74824), (752, 52735), (796, 49820), (848, 46765), (940, 42188), (995, 39856), (1060, 37412), (1592, 24910), (1880, 21094), (1990, 19928), (2120, 18706), (2491, 15920), (3184, 12455), (3760, 10547), (3980, 9964), (4240, 9353), (4982, 7960)]