40454960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5590

約数の個数: 80

約数和(自身を含む): 115784256

約数和(自身を除く): 75329296

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5557, 7280, 11114, 22228, 27785, 38899, 44456, 55570, 72241, 77798, 88912, 111140, 144482, 155596, 194495, 222280, 288964, 311192, 361205, 388990, 444560, 505687, 577928, 622384, 722410, 777980, 1011374, 1155856, 1444820, 1555960, 2022748, 2528435, 2889640, 3111920, 4045496, 5056870, 5779280, 8090992, 10113740, 20227480, 40454960]

約数ペア:

[(1, 40454960), (2, 20227480), (4, 10113740), (5, 8090992), (7, 5779280), (8, 5056870), (10, 4045496), (13, 3111920), (14, 2889640), (16, 2528435), (20, 2022748), (26, 1555960), (28, 1444820), (35, 1155856), (40, 1011374), (52, 777980), (56, 722410), (65, 622384), (70, 577928), (80, 505687), (91, 444560), (104, 388990), (112, 361205), (130, 311192), (140, 288964), (182, 222280), (208, 194495), (260, 155596), (280, 144482), (364, 111140), (455, 88912), (520, 77798), (560, 72241), (728, 55570), (910, 44456), (1040, 38899), (1456, 27785), (1820, 22228), (3640, 11114), (5557, 7280)]