20199012500

素因数分解:

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

素因数の和:1615950

約数の個数: 36

約数和(自身を含む): 44182539324

約数和(自身を除く): 23983526824

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3125, 6250, 12500, 1615921, 3231842, 6463684, 8079605, 16159210, 32318420, 40398025, 80796050, 161592100, 201990125, 403980250, 807960500, 1009950625, 2019901250, 4039802500, 5049753125, 10099506250, 20199012500]

約数ペア:

[(1, 20199012500), (2, 10099506250), (4, 5049753125), (5, 4039802500), (10, 2019901250), (20, 1009950625), (25, 807960500), (50, 403980250), (100, 201990125), (125, 161592100), (250, 80796050), (500, 40398025), (625, 32318420), (1250, 16159210), (2500, 8079605), (3125, 6463684), (6250, 3231842), (12500, 1615921)]