53190140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 115433472

約数和(自身を除く): 62243332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 430, 487, 508, 635, 860, 974, 1270, 1948, 2435, 2540, 4870, 5461, 9740, 10922, 20941, 21844, 27305, 41882, 54610, 61849, 83764, 104705, 109220, 123698, 209410, 247396, 309245, 418820, 618490, 1236980, 2659507, 5319014, 10638028, 13297535, 26595070, 53190140]

約数ペア:

[(1, 53190140), (2, 26595070), (4, 13297535), (5, 10638028), (10, 5319014), (20, 2659507), (43, 1236980), (86, 618490), (127, 418820), (172, 309245), (215, 247396), (254, 209410), (430, 123698), (487, 109220), (508, 104705), (635, 83764), (860, 61849), (974, 54610), (1270, 41882), (1948, 27305), (2435, 21844), (2540, 20941), (4870, 10922), (5461, 9740)]