87807860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1087}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 211298304

約数和(自身を除く): 123490444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577, 1087, 1154, 2174, 2308, 2885, 4039, 4348, 5435, 5770, 7609, 8078, 10870, 11540, 15218, 16156, 20195, 21740, 30436, 38045, 40390, 76090, 80780, 152180, 627199, 1254398, 2508796, 3135995, 4390393, 6271990, 8780786, 12543980, 17561572, 21951965, 43903930, 87807860]

約数ペア:

[(1, 87807860), (2, 43903930), (4, 21951965), (5, 17561572), (7, 12543980), (10, 8780786), (14, 6271990), (20, 4390393), (28, 3135995), (35, 2508796), (70, 1254398), (140, 627199), (577, 152180), (1087, 80780), (1154, 76090), (2174, 40390), (2308, 38045), (2885, 30436), (4039, 21740), (4348, 20195), (5435, 16156), (5770, 15218), (7609, 11540), (8078, 10870)]