80050040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 222566400

約数和(自身を除く): 142516360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 287, 328, 367, 380, 410, 532, 574, 665, 734, 760, 779, 820, 1064, 1148, 1330, 1435, 1468, 1558, 1640, 1835, 2296, 2569, 2660, 2870, 2936, 3116, 3670, 3895, 5138, 5320, 5453, 5740, 6232, 6973, 7340, 7790, 10276, 10906, 11480, 12845, 13946, 14680, 15047, 15580, 20552, 21812, 25690, 27265, 27892, 30094, 31160, 34865, 43624, 48811, 51380, 54530, 55784, 60188, 69730, 75235, 97622, 102760, 105329, 109060, 120376, 139460, 150470, 195244, 210658, 218120, 244055, 278920, 285893, 300940, 390488, 421316, 488110, 526645, 571786, 601880, 842632, 976220, 1053290, 1143572, 1429465, 1952440, 2001251, 2106580, 2287144, 2858930, 4002502, 4213160, 5717860, 8005004, 10006255, 11435720, 16010008, 20012510, 40025020, 80050040]

約数ペア:

[(1, 80050040), (2, 40025020), (4, 20012510), (5, 16010008), (7, 11435720), (8, 10006255), (10, 8005004), (14, 5717860), (19, 4213160), (20, 4002502), (28, 2858930), (35, 2287144), (38, 2106580), (40, 2001251), (41, 1952440), (56, 1429465), (70, 1143572), (76, 1053290), (82, 976220), (95, 842632), (133, 601880), (140, 571786), (152, 526645), (164, 488110), (190, 421316), (205, 390488), (266, 300940), (280, 285893), (287, 278920), (328, 244055), (367, 218120), (380, 210658), (410, 195244), (532, 150470), (574, 139460), (665, 120376), (734, 109060), (760, 105329), (779, 102760), (820, 97622), (1064, 75235), (1148, 69730), (1330, 60188), (1435, 55784), (1468, 54530), (1558, 51380), (1640, 48811), (1835, 43624), (2296, 34865), (2569, 31160), (2660, 30094), (2870, 27892), (2936, 27265), (3116, 25690), (3670, 21812), (3895, 20552), (5138, 15580), (5320, 15047), (5453, 14680), (5740, 13946), (6232, 12845), (6973, 11480), (7340, 10906), (7790, 10276)]