2855440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5099}}^1$

素因数の和:5119

約数の個数: 40

約数和(自身を含む): 7588800

約数和(自身を除く): 4733360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5099, 10198, 20396, 25495, 35693, 40792, 50990, 71386, 81584, 101980, 142772, 178465, 203960, 285544, 356930, 407920, 571088, 713860, 1427720, 2855440]

約数ペア:

[(1, 2855440), (2, 1427720), (4, 713860), (5, 571088), (7, 407920), (8, 356930), (10, 285544), (14, 203960), (16, 178465), (20, 142772), (28, 101980), (35, 81584), (40, 71386), (56, 50990), (70, 40792), (80, 35693), (112, 25495), (140, 20396), (280, 10198), (560, 5099)]