31229960

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4513}}^1$

素因数の和:4697

約数の個数: 32

約数和(自身を含む): 70689240

約数和(自身を除く): 39459280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 4513, 6920, 9026, 18052, 22565, 36104, 45130, 90260, 180520, 780749, 1561498, 3122996, 3903745, 6245992, 7807490, 15614980, 31229960]

約数ペア:

[(1, 31229960), (2, 15614980), (4, 7807490), (5, 6245992), (8, 3903745), (10, 3122996), (20, 1561498), (40, 780749), (173, 180520), (346, 90260), (692, 45130), (865, 36104), (1384, 22565), (1730, 18052), (3460, 9026), (4513, 6920)]