51665720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75979}}^1$

素因数の和:76007

約数の個数: 32

約数和(自身を含む): 123087600

約数和(自身を除く): 71421880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 75979, 151958, 303916, 379895, 607832, 759790, 1291643, 1519580, 2583286, 3039160, 5166572, 6458215, 10333144, 12916430, 25832860, 51665720]

約数ペア:

[(1, 51665720), (2, 25832860), (4, 12916430), (5, 10333144), (8, 6458215), (10, 5166572), (17, 3039160), (20, 2583286), (34, 1519580), (40, 1291643), (68, 759790), (85, 607832), (136, 379895), (170, 303916), (340, 151958), (680, 75979)]