12438425360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9145901}}^1$

素因数の和:9145931

約数の個数: 40

約数和(自身を含む): 30620479896

約数和(自身を除く): 18182054536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9145901, 18291802, 36583604, 45729505, 73167208, 91459010, 146334416, 155480317, 182918020, 310960634, 365836040, 621921268, 731672080, 777401585, 1243842536, 1554803170, 2487685072, 3109606340, 6219212680, 12438425360]

約数ペア:

[(1, 12438425360), (2, 6219212680), (4, 3109606340), (5, 2487685072), (8, 1554803170), (10, 1243842536), (16, 777401585), (17, 731672080), (20, 621921268), (34, 365836040), (40, 310960634), (68, 182918020), (80, 155480317), (85, 146334416), (136, 91459010), (170, 73167208), (272, 45729505), (340, 36583604), (680, 18291802), (1360, 9145901)]