201639302500

素因数分解:

$2^2\times 5^4\times {\mathrm{80655721}}^1$

素因数の和:80655745

約数の個数: 30

約数和(自身を含む): 440944832174

約数和(自身を除く): 239305529674

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 80655721, 161311442, 322622884, 403278605, 806557210, 1613114420, 2016393025, 4032786050, 8065572100, 10081965125, 20163930250, 40327860500, 50409825625, 100819651250, 201639302500]

約数ペア:

[(1, 201639302500), (2, 100819651250), (4, 50409825625), (5, 40327860500), (10, 20163930250), (20, 10081965125), (25, 8065572100), (50, 4032786050), (100, 2016393025), (125, 1613114420), (250, 806557210), (500, 403278605), (625, 322622884), (1250, 161311442), (2500, 80655721)]