40866640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 101779200

約数和(自身を除く): 60912560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 151, 170, 199, 272, 302, 340, 398, 604, 680, 755, 796, 995, 1208, 1360, 1510, 1592, 1990, 2416, 2567, 3020, 3184, 3383, 3980, 5134, 6040, 6766, 7960, 10268, 12080, 12835, 13532, 15920, 16915, 20536, 25670, 27064, 30049, 33830, 41072, 51340, 54128, 60098, 67660, 102680, 120196, 135320, 150245, 205360, 240392, 270640, 300490, 480784, 510833, 600980, 1021666, 1201960, 2043332, 2403920, 2554165, 4086664, 5108330, 8173328, 10216660, 20433320, 40866640]

約数ペア:

[(1, 40866640), (2, 20433320), (4, 10216660), (5, 8173328), (8, 5108330), (10, 4086664), (16, 2554165), (17, 2403920), (20, 2043332), (34, 1201960), (40, 1021666), (68, 600980), (80, 510833), (85, 480784), (136, 300490), (151, 270640), (170, 240392), (199, 205360), (272, 150245), (302, 135320), (340, 120196), (398, 102680), (604, 67660), (680, 60098), (755, 54128), (796, 51340), (995, 41072), (1208, 33830), (1360, 30049), (1510, 27064), (1592, 25670), (1990, 20536), (2416, 16915), (2567, 15920), (3020, 13532), (3184, 12835), (3383, 12080), (3980, 10268), (5134, 7960), (6040, 6766)]