20161060900

素因数分解:

$2^2\times 5^2\times {\mathrm{8941}}^1\times {\mathrm{22549}}^1$

素因数の和:31504

約数の個数: 36

約数和(自身を含む): 43756335700

約数和(自身を除く): 23595274800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 8941, 17882, 22549, 35764, 44705, 45098, 89410, 90196, 112745, 178820, 223525, 225490, 447050, 450980, 563725, 894100, 1127450, 2254900, 201610609, 403221218, 806442436, 1008053045, 2016106090, 4032212180, 5040265225, 10080530450, 20161060900]

約数ペア:

[(1, 20161060900), (2, 10080530450), (4, 5040265225), (5, 4032212180), (10, 2016106090), (20, 1008053045), (25, 806442436), (50, 403221218), (100, 201610609), (8941, 2254900), (17882, 1127450), (22549, 894100), (35764, 563725), (44705, 450980), (45098, 447050), (89410, 225490), (90196, 223525), (112745, 178820)]