40752880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 110153664

約数和(自身を除く): 69400784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1193, 1220, 1708, 2135, 2386, 2440, 3416, 4270, 4772, 4880, 5965, 6832, 8351, 8540, 9544, 11930, 16702, 17080, 19088, 23860, 33404, 34160, 41755, 47720, 66808, 72773, 83510, 95440, 133616, 145546, 167020, 291092, 334040, 363865, 509411, 582184, 668080, 727730, 1018822, 1164368, 1455460, 2037644, 2547055, 2910920, 4075288, 5094110, 5821840, 8150576, 10188220, 20376440, 40752880]

約数ペア:

[(1, 40752880), (2, 20376440), (4, 10188220), (5, 8150576), (7, 5821840), (8, 5094110), (10, 4075288), (14, 2910920), (16, 2547055), (20, 2037644), (28, 1455460), (35, 1164368), (40, 1018822), (56, 727730), (61, 668080), (70, 582184), (80, 509411), (112, 363865), (122, 334040), (140, 291092), (244, 167020), (280, 145546), (305, 133616), (427, 95440), (488, 83510), (560, 72773), (610, 66808), (854, 47720), (976, 41755), (1193, 34160), (1220, 33404), (1708, 23860), (2135, 19088), (2386, 17080), (2440, 16702), (3416, 11930), (4270, 9544), (4772, 8540), (4880, 8351), (5965, 6832)]