79571120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14009}}^1$

素因数の和:14093

約数の個数: 40

約数和(自身を含む): 187621920

約数和(自身を除く): 108050800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 14009, 28018, 56036, 70045, 112072, 140090, 224144, 280180, 560360, 994639, 1120720, 1989278, 3978556, 4973195, 7957112, 9946390, 15914224, 19892780, 39785560, 79571120]

約数ペア:

[(1, 79571120), (2, 39785560), (4, 19892780), (5, 15914224), (8, 9946390), (10, 7957112), (16, 4973195), (20, 3978556), (40, 1989278), (71, 1120720), (80, 994639), (142, 560360), (284, 280180), (355, 224144), (568, 140090), (710, 112072), (1136, 70045), (1420, 56036), (2840, 28018), (5680, 14009)]