40185620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 89985168

約数和(自身を除く): 49799548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 653, 724, 905, 1306, 1810, 2612, 3077, 3265, 3620, 6154, 6530, 11101, 12308, 13060, 15385, 22202, 30770, 44404, 55505, 61540, 111010, 118193, 222020, 236386, 472772, 590965, 1181930, 2009281, 2363860, 4018562, 8037124, 10046405, 20092810, 40185620]

約数ペア:

[(1, 40185620), (2, 20092810), (4, 10046405), (5, 8037124), (10, 4018562), (17, 2363860), (20, 2009281), (34, 1181930), (68, 590965), (85, 472772), (170, 236386), (181, 222020), (340, 118193), (362, 111010), (653, 61540), (724, 55505), (905, 44404), (1306, 30770), (1810, 22202), (2612, 15385), (3077, 13060), (3265, 12308), (3620, 11101), (6154, 6530)]