78833240

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1601}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 177629760

約数和(自身を除く): 98796520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 1601, 2462, 3202, 4924, 6155, 6404, 8005, 9848, 12310, 12808, 16010, 24620, 32020, 49240, 64040, 1970831, 3941662, 7883324, 9854155, 15766648, 19708310, 39416620, 78833240]

約数ペア:

[(1, 78833240), (2, 39416620), (4, 19708310), (5, 15766648), (8, 9854155), (10, 7883324), (20, 3941662), (40, 1970831), (1231, 64040), (1601, 49240), (2462, 32020), (3202, 24620), (4924, 16010), (6155, 12808), (6404, 12310), (8005, 9848)]