72649520

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1613}}^1$

素因数の和:2189

約数の個数: 40

約数和(自身を含む): 169315056

約数和(自身を除く): 96665536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 1613, 2252, 2815, 3226, 4504, 5630, 6452, 8065, 9008, 11260, 12904, 16130, 22520, 25808, 32260, 45040, 64520, 129040, 908119, 1816238, 3632476, 4540595, 7264952, 9081190, 14529904, 18162380, 36324760, 72649520]

約数ペア:

[(1, 72649520), (2, 36324760), (4, 18162380), (5, 14529904), (8, 9081190), (10, 7264952), (16, 4540595), (20, 3632476), (40, 1816238), (80, 908119), (563, 129040), (1126, 64520), (1613, 45040), (2252, 32260), (2815, 25808), (3226, 22520), (4504, 16130), (5630, 12904), (6452, 11260), (8065, 9008)]