12998320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3457}}^1$

素因数の和:3517

約数の個数: 40

約数和(自身を含む): 30873024

約数和(自身を除く): 17874704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3457, 3760, 6914, 13828, 17285, 27656, 34570, 55312, 69140, 138280, 162479, 276560, 324958, 649916, 812395, 1299832, 1624790, 2599664, 3249580, 6499160, 12998320]

約数ペア:

[(1, 12998320), (2, 6499160), (4, 3249580), (5, 2599664), (8, 1624790), (10, 1299832), (16, 812395), (20, 649916), (40, 324958), (47, 276560), (80, 162479), (94, 138280), (188, 69140), (235, 55312), (376, 34570), (470, 27656), (752, 17285), (940, 13828), (1880, 6914), (3457, 3760)]