40192040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 109226880

約数和(自身を除く): 69034840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 79, 92, 115, 140, 158, 161, 184, 230, 280, 316, 322, 395, 460, 553, 632, 644, 790, 805, 920, 1106, 1288, 1580, 1610, 1817, 2212, 2765, 3160, 3220, 3634, 4424, 5530, 6241, 6440, 7268, 9085, 11060, 12482, 12719, 14536, 18170, 22120, 24964, 25438, 31205, 36340, 43687, 49928, 50876, 62410, 63595, 72680, 87374, 101752, 124820, 127190, 143543, 174748, 218435, 249640, 254380, 287086, 349496, 436870, 508760, 574172, 717715, 873740, 1004801, 1148344, 1435430, 1747480, 2009602, 2870860, 4019204, 5024005, 5741720, 8038408, 10048010, 20096020, 40192040]

約数ペア:

[(1, 40192040), (2, 20096020), (4, 10048010), (5, 8038408), (7, 5741720), (8, 5024005), (10, 4019204), (14, 2870860), (20, 2009602), (23, 1747480), (28, 1435430), (35, 1148344), (40, 1004801), (46, 873740), (56, 717715), (70, 574172), (79, 508760), (92, 436870), (115, 349496), (140, 287086), (158, 254380), (161, 249640), (184, 218435), (230, 174748), (280, 143543), (316, 127190), (322, 124820), (395, 101752), (460, 87374), (553, 72680), (632, 63595), (644, 62410), (790, 50876), (805, 49928), (920, 43687), (1106, 36340), (1288, 31205), (1580, 25438), (1610, 24964), (1817, 22120), (2212, 18170), (2765, 14536), (3160, 12719), (3220, 12482), (3634, 11060), (4424, 9085), (5530, 7268), (6241, 6440)]