87054280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128021}}^1$

素因数の和:128049

約数の個数: 32

約数和(自身を含む): 207395640

約数和(自身を除く): 120341360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 128021, 256042, 512084, 640105, 1024168, 1280210, 2176357, 2560420, 4352714, 5120840, 8705428, 10881785, 17410856, 21763570, 43527140, 87054280]

約数ペア:

[(1, 87054280), (2, 43527140), (4, 21763570), (5, 17410856), (8, 10881785), (10, 8705428), (17, 5120840), (20, 4352714), (34, 2560420), (40, 2176357), (68, 1280210), (85, 1024168), (136, 640105), (170, 512084), (340, 256042), (680, 128021)]