77963920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9649}}^1$

素因数の和:9763

約数の個数: 40

約数和(自身を含む): 183079800

約数和(自身を除く): 105115880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 9649, 19298, 38596, 48245, 77192, 96490, 154384, 192980, 385960, 771920, 974549, 1949098, 3898196, 4872745, 7796392, 9745490, 15592784, 19490980, 38981960, 77963920]

約数ペア:

[(1, 77963920), (2, 38981960), (4, 19490980), (5, 15592784), (8, 9745490), (10, 7796392), (16, 4872745), (20, 3898196), (40, 1949098), (80, 974549), (101, 771920), (202, 385960), (404, 192980), (505, 154384), (808, 96490), (1010, 77192), (1616, 48245), (2020, 38596), (4040, 19298), (8080, 9649)]