2019901250

素因数分解:

$2^1\times 5^4\times {\mathrm{1615921}}^1$

素因数の和:1615943

約数の個数: 20

約数和(自身を含む): 3786105246

約数和(自身を除く): 1766203996

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1615921, 3231842, 8079605, 16159210, 40398025, 80796050, 201990125, 403980250, 1009950625, 2019901250]

約数ペア:

[(1, 2019901250), (2, 1009950625), (5, 403980250), (10, 201990125), (25, 80796050), (50, 40398025), (125, 16159210), (250, 8079605), (625, 3231842), (1250, 1615921)]