31335520

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1297}}^1$

素因数の和:1463

約数の個数: 48

約数和(自身を含む): 74577888

約数和(自身を除く): 43242368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1297, 1510, 2416, 2594, 3020, 4832, 5188, 6040, 6485, 10376, 12080, 12970, 20752, 24160, 25940, 41504, 51880, 103760, 195847, 207520, 391694, 783388, 979235, 1566776, 1958470, 3133552, 3916940, 6267104, 7833880, 15667760, 31335520]

約数ペア:

[(1, 31335520), (2, 15667760), (4, 7833880), (5, 6267104), (8, 3916940), (10, 3133552), (16, 1958470), (20, 1566776), (32, 979235), (40, 783388), (80, 391694), (151, 207520), (160, 195847), (302, 103760), (604, 51880), (755, 41504), (1208, 25940), (1297, 24160), (1510, 20752), (2416, 12970), (2594, 12080), (3020, 10376), (4832, 6485), (5188, 6040)]