79038380

素因数分解:

$2^2\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{2003}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 166147632

約数和(自身を除く): 87109252

約数列:

[1, 2, 4, 5, 10, 20, 1973, 2003, 3946, 4006, 7892, 8012, 9865, 10015, 19730, 20030, 39460, 40060, 3951919, 7903838, 15807676, 19759595, 39519190, 79038380]

約数ペア:

[(1, 79038380), (2, 39519190), (4, 19759595), (5, 15807676), (10, 7903838), (20, 3951919), (1973, 40060), (2003, 39460), (3946, 20030), (4006, 19730), (7892, 10015), (8012, 9865)]