80535280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143813}}^1$

素因数の和:143833

約数の個数: 40

約数和(自身を含む): 213995232

約数和(自身を除く): 133459952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143813, 287626, 575252, 719065, 1006691, 1150504, 1438130, 2013382, 2301008, 2876260, 4026764, 5033455, 5752520, 8053528, 10066910, 11505040, 16107056, 20133820, 40267640, 80535280]

約数ペア:

[(1, 80535280), (2, 40267640), (4, 20133820), (5, 16107056), (7, 11505040), (8, 10066910), (10, 8053528), (14, 5752520), (16, 5033455), (20, 4026764), (28, 2876260), (35, 2301008), (40, 2013382), (56, 1438130), (70, 1150504), (80, 1006691), (112, 719065), (140, 575252), (280, 287626), (560, 143813)]