78691120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9739}}^1$

素因数の和:9853

約数の個数: 40

約数和(自身を含む): 184787280

約数和(自身を除く): 106096160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 9739, 19478, 38956, 48695, 77912, 97390, 155824, 194780, 389560, 779120, 983639, 1967278, 3934556, 4918195, 7869112, 9836390, 15738224, 19672780, 39345560, 78691120]

約数ペア:

[(1, 78691120), (2, 39345560), (4, 19672780), (5, 15738224), (8, 9836390), (10, 7869112), (16, 4918195), (20, 3934556), (40, 1967278), (80, 983639), (101, 779120), (202, 389560), (404, 194780), (505, 155824), (808, 97390), (1010, 77912), (1616, 48695), (2020, 38956), (4040, 19478), (8080, 9739)]