31670440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7687}}^1$

素因数の和:7801

約数の個数: 32

約数和(自身を含む): 71959680

約数和(自身を除く): 40289240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7687, 15374, 30748, 38435, 61496, 76870, 153740, 307480, 791761, 1583522, 3167044, 3958805, 6334088, 7917610, 15835220, 31670440]

約数ペア:

[(1, 31670440), (2, 15835220), (4, 7917610), (5, 6334088), (8, 3958805), (10, 3167044), (20, 1583522), (40, 791761), (103, 307480), (206, 153740), (412, 76870), (515, 61496), (824, 38435), (1030, 30748), (2060, 15374), (4120, 7687)]