31083760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3847}}^1$

素因数の和:3961

約数の個数: 40

約数和(自身を含む): 73004256

約数和(自身を除く): 41920496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3847, 4040, 7694, 8080, 15388, 19235, 30776, 38470, 61552, 76940, 153880, 307760, 388547, 777094, 1554188, 1942735, 3108376, 3885470, 6216752, 7770940, 15541880, 31083760]

約数ペア:

[(1, 31083760), (2, 15541880), (4, 7770940), (5, 6216752), (8, 3885470), (10, 3108376), (16, 1942735), (20, 1554188), (40, 777094), (80, 388547), (101, 307760), (202, 153880), (404, 76940), (505, 61552), (808, 38470), (1010, 30776), (1616, 19235), (2020, 15388), (3847, 8080), (4040, 7694)]