80465120

素因数分解:

$2^5\times 5^1\times {\mathrm{631}}^1\times {\mathrm{797}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 190639008

約数和(自身を除く): 110173888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 631, 797, 1262, 1594, 2524, 3155, 3188, 3985, 5048, 6310, 6376, 7970, 10096, 12620, 12752, 15940, 20192, 25240, 25504, 31880, 50480, 63760, 100960, 127520, 502907, 1005814, 2011628, 2514535, 4023256, 5029070, 8046512, 10058140, 16093024, 20116280, 40232560, 80465120]

約数ペア:

[(1, 80465120), (2, 40232560), (4, 20116280), (5, 16093024), (8, 10058140), (10, 8046512), (16, 5029070), (20, 4023256), (32, 2514535), (40, 2011628), (80, 1005814), (160, 502907), (631, 127520), (797, 100960), (1262, 63760), (1594, 50480), (2524, 31880), (3155, 25504), (3188, 25240), (3985, 20192), (5048, 15940), (6310, 12752), (6376, 12620), (7970, 10096)]