65253080

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1987}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 147072240

約数和(自身を除く): 81819160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 1987, 3284, 3974, 4105, 6568, 7948, 8210, 9935, 15896, 16420, 19870, 32840, 39740, 79480, 1631327, 3262654, 6525308, 8156635, 13050616, 16313270, 32626540, 65253080]

約数ペア:

[(1, 65253080), (2, 32626540), (4, 16313270), (5, 13050616), (8, 8156635), (10, 6525308), (20, 3262654), (40, 1631327), (821, 79480), (1642, 39740), (1987, 32840), (3284, 19870), (3974, 16420), (4105, 15896), (6568, 9935), (7948, 8210)]