793495280

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{20201}}^1$

素因数の和:20705

約数の個数: 40

約数和(自身を含む): 1848725424

約数和(自身を除く): 1055230144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 20201, 39280, 40402, 80804, 101005, 161608, 202010, 323216, 404020, 808040, 1616080, 9918691, 19837382, 39674764, 49593455, 79349528, 99186910, 158699056, 198373820, 396747640, 793495280]

約数ペア:

[(1, 793495280), (2, 396747640), (4, 198373820), (5, 158699056), (8, 99186910), (10, 79349528), (16, 49593455), (20, 39674764), (40, 19837382), (80, 9918691), (491, 1616080), (982, 808040), (1964, 404020), (2455, 323216), (3928, 202010), (4910, 161608), (7856, 101005), (9820, 80804), (19640, 40402), (20201, 39280)]