20159901250

素因数分解:

$2^1\times 5^4\times {\mathrm{16127921}}^1$

素因数の和:16127943

約数の個数: 20

約数和(自身を含む): 37787721246

約数和(自身を除く): 17627819996

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16127921, 32255842, 80639605, 161279210, 403198025, 806396050, 2015990125, 4031980250, 10079950625, 20159901250]

約数ペア:

[(1, 20159901250), (2, 10079950625), (5, 4031980250), (10, 2015990125), (25, 806396050), (50, 403198025), (125, 161279210), (250, 80639605), (625, 32255842), (1250, 16127921)]