4039280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7213}}^1$

素因数の和:7233

約数の個数: 40

約数和(自身を含む): 10734432

約数和(自身を除く): 6695152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 7213, 14426, 28852, 36065, 50491, 57704, 72130, 100982, 115408, 144260, 201964, 252455, 288520, 403928, 504910, 577040, 807856, 1009820, 2019640, 4039280]

約数ペア:

[(1, 4039280), (2, 2019640), (4, 1009820), (5, 807856), (7, 577040), (8, 504910), (10, 403928), (14, 288520), (16, 252455), (20, 201964), (28, 144260), (35, 115408), (40, 100982), (56, 72130), (70, 57704), (80, 50491), (112, 36065), (140, 28852), (280, 14426), (560, 7213)]