51693680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 128563200

約数和(自身を除く): 76869520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 479, 568, 710, 760, 958, 1136, 1349, 1420, 1520, 1916, 2395, 2698, 2840, 3832, 4790, 5396, 5680, 6745, 7664, 9101, 9580, 10792, 13490, 18202, 19160, 21584, 26980, 34009, 36404, 38320, 45505, 53960, 68018, 72808, 91010, 107920, 136036, 145616, 170045, 182020, 272072, 340090, 364040, 544144, 646171, 680180, 728080, 1292342, 1360360, 2584684, 2720720, 3230855, 5169368, 6461710, 10338736, 12923420, 25846840, 51693680]

約数ペア:

[(1, 51693680), (2, 25846840), (4, 12923420), (5, 10338736), (8, 6461710), (10, 5169368), (16, 3230855), (19, 2720720), (20, 2584684), (38, 1360360), (40, 1292342), (71, 728080), (76, 680180), (80, 646171), (95, 544144), (142, 364040), (152, 340090), (190, 272072), (284, 182020), (304, 170045), (355, 145616), (380, 136036), (479, 107920), (568, 91010), (710, 72808), (760, 68018), (958, 53960), (1136, 45505), (1349, 38320), (1420, 36404), (1520, 34009), (1916, 26980), (2395, 21584), (2698, 19160), (2840, 18202), (3832, 13490), (4790, 10792), (5396, 9580), (5680, 9101), (6745, 7664)]