101972840

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1987}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 229733280

約数和(自身を除く): 127760440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1987, 2566, 3974, 5132, 6415, 7948, 9935, 10264, 12830, 15896, 19870, 25660, 39740, 51320, 79480, 2549321, 5098642, 10197284, 12746605, 20394568, 25493210, 50986420, 101972840]

約数ペア:

[(1, 101972840), (2, 50986420), (4, 25493210), (5, 20394568), (8, 12746605), (10, 10197284), (20, 5098642), (40, 2549321), (1283, 79480), (1987, 51320), (2566, 39740), (3974, 25660), (5132, 19870), (6415, 15896), (7948, 12830), (9935, 10264)]