315680

素因数分解:

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

素因数の和:1988

約数の個数: 24

約数和(自身を含む): 746172

約数和(自身を除く): 430492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1973, 3946, 7892, 9865, 15784, 19730, 31568, 39460, 63136, 78920, 157840, 315680]

約数ペア:

[(1, 315680), (2, 157840), (4, 78920), (5, 63136), (8, 39460), (10, 31568), (16, 19730), (20, 15784), (32, 9865), (40, 7892), (80, 3946), (160, 1973)]