25440160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 39878240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 199, 235, 272, 340, 376, 398, 470, 544, 680, 752, 796, 799, 940, 995, 1360, 1504, 1592, 1598, 1880, 1990, 2720, 3184, 3196, 3383, 3760, 3980, 3995, 6368, 6392, 6766, 7520, 7960, 7990, 9353, 12784, 13532, 15920, 15980, 16915, 18706, 25568, 27064, 31840, 31960, 33830, 37412, 46765, 54128, 63920, 67660, 74824, 93530, 108256, 127840, 135320, 149648, 159001, 187060, 270640, 299296, 318002, 374120, 541280, 636004, 748240, 795005, 1272008, 1496480, 1590010, 2544016, 3180020, 5088032, 6360040, 12720080, 25440160]

約数ペア:

[(1, 25440160), (2, 12720080), (4, 6360040), (5, 5088032), (8, 3180020), (10, 2544016), (16, 1590010), (17, 1496480), (20, 1272008), (32, 795005), (34, 748240), (40, 636004), (47, 541280), (68, 374120), (80, 318002), (85, 299296), (94, 270640), (136, 187060), (160, 159001), (170, 149648), (188, 135320), (199, 127840), (235, 108256), (272, 93530), (340, 74824), (376, 67660), (398, 63920), (470, 54128), (544, 46765), (680, 37412), (752, 33830), (796, 31960), (799, 31840), (940, 27064), (995, 25568), (1360, 18706), (1504, 16915), (1592, 15980), (1598, 15920), (1880, 13532), (1990, 12784), (2720, 9353), (3184, 7990), (3196, 7960), (3383, 7520), (3760, 6766), (3980, 6392), (3995, 6368)]