19902152480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{612751}}^1$

素因数の和:612802

約数の個数: 96

約数和(自身を含む): 55588861440

約数和(自身を除く): 35686708960

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, 812, 928, 1015, 1120, 1160, 1624, 2030, 2320, 3248, 4060, 4640, 6496, 8120, 16240, 32480, 612751, 1225502, 2451004, 3063755, 4289257, 4902008, 6127510, 8578514, 9804016, 12255020, 17157028, 17769779, 19608032, 21446285, 24510040, 34314056, 35539558, 42892570, 49020080, 68628112, 71079116, 85785140, 88848895, 98040160, 124388453, 137256224, 142158232, 171570280, 177697790, 248776906, 284316464, 343140560, 355395580, 497553812, 568632928, 621942265, 686281120, 710791160, 995107624, 1243884530, 1421582320, 1990215248, 2487769060, 2843164640, 3980430496, 4975538120, 9951076240, 19902152480]

約数ペア:

[(1, 19902152480), (2, 9951076240), (4, 4975538120), (5, 3980430496), (7, 2843164640), (8, 2487769060), (10, 1990215248), (14, 1421582320), (16, 1243884530), (20, 995107624), (28, 710791160), (29, 686281120), (32, 621942265), (35, 568632928), (40, 497553812), (56, 355395580), (58, 343140560), (70, 284316464), (80, 248776906), (112, 177697790), (116, 171570280), (140, 142158232), (145, 137256224), (160, 124388453), (203, 98040160), (224, 88848895), (232, 85785140), (280, 71079116), (290, 68628112), (406, 49020080), (464, 42892570), (560, 35539558), (580, 34314056), (812, 24510040), (928, 21446285), (1015, 19608032), (1120, 17769779), (1160, 17157028), (1624, 12255020), (2030, 9804016), (2320, 8578514), (3248, 6127510), (4060, 4902008), (4640, 4289257), (6496, 3063755), (8120, 2451004), (16240, 1225502), (32480, 612751)]