31084640

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1123}}^1$

素因数の和:1311

約数の個数: 48

約数和(自身を含む): 73927728

約数和(自身を除く): 42843088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1123, 1384, 1730, 2246, 2768, 3460, 4492, 5536, 5615, 6920, 8984, 11230, 13840, 17968, 22460, 27680, 35936, 44920, 89840, 179680, 194279, 388558, 777116, 971395, 1554232, 1942790, 3108464, 3885580, 6216928, 7771160, 15542320, 31084640]

約数ペア:

[(1, 31084640), (2, 15542320), (4, 7771160), (5, 6216928), (8, 3885580), (10, 3108464), (16, 1942790), (20, 1554232), (32, 971395), (40, 777116), (80, 388558), (160, 194279), (173, 179680), (346, 89840), (692, 44920), (865, 35936), (1123, 27680), (1384, 22460), (1730, 17968), (2246, 13840), (2768, 11230), (3460, 8984), (4492, 6920), (5536, 5615)]