20040160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 56064960

約数和(自身を除く): 36024800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 617, 812, 928, 1015, 1120, 1160, 1234, 1624, 2030, 2320, 2468, 3085, 3248, 4060, 4319, 4640, 4936, 6170, 6496, 8120, 8638, 9872, 12340, 16240, 17276, 17893, 19744, 21595, 24680, 32480, 34552, 35786, 43190, 49360, 69104, 71572, 86380, 89465, 98720, 125251, 138208, 143144, 172760, 178930, 250502, 286288, 345520, 357860, 501004, 572576, 626255, 691040, 715720, 1002008, 1252510, 1431440, 2004016, 2505020, 2862880, 4008032, 5010040, 10020080, 20040160]

約数ペア:

[(1, 20040160), (2, 10020080), (4, 5010040), (5, 4008032), (7, 2862880), (8, 2505020), (10, 2004016), (14, 1431440), (16, 1252510), (20, 1002008), (28, 715720), (29, 691040), (32, 626255), (35, 572576), (40, 501004), (56, 357860), (58, 345520), (70, 286288), (80, 250502), (112, 178930), (116, 172760), (140, 143144), (145, 138208), (160, 125251), (203, 98720), (224, 89465), (232, 86380), (280, 71572), (290, 69104), (406, 49360), (464, 43190), (560, 35786), (580, 34552), (617, 32480), (812, 24680), (928, 21595), (1015, 19744), (1120, 17893), (1160, 17276), (1234, 16240), (1624, 12340), (2030, 9872), (2320, 8638), (2468, 8120), (3085, 6496), (3248, 6170), (4060, 4936), (4319, 4640)]