64410680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34261}}^1$

素因数の和:34319

約数の個数: 32

約数和(自身を含む): 148011840

約数和(自身を除く): 83601160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 34261, 68522, 137044, 171305, 274088, 342610, 685220, 1370440, 1610267, 3220534, 6441068, 8051335, 12882136, 16102670, 32205340, 64410680]

約数ペア:

[(1, 64410680), (2, 32205340), (4, 16102670), (5, 12882136), (8, 8051335), (10, 6441068), (20, 3220534), (40, 1610267), (47, 1370440), (94, 685220), (188, 342610), (235, 274088), (376, 171305), (470, 137044), (940, 68522), (1880, 34261)]