13218160

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1441

約数の個数: 40

約数和(自身を含む): 30998016

約数和(自身を除く): 17779856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1301, 2032, 2540, 2602, 5080, 5204, 6505, 10160, 10408, 13010, 20816, 26020, 52040, 104080, 165227, 330454, 660908, 826135, 1321816, 1652270, 2643632, 3304540, 6609080, 13218160]

約数ペア:

[(1, 13218160), (2, 6609080), (4, 3304540), (5, 2643632), (8, 1652270), (10, 1321816), (16, 826135), (20, 660908), (40, 330454), (80, 165227), (127, 104080), (254, 52040), (508, 26020), (635, 20816), (1016, 13010), (1270, 10408), (1301, 10160), (2032, 6505), (2540, 5204), (2602, 5080)]