38670020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 84822528

約数和(自身を除く): 46152508

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 643, 970, 1286, 1940, 2572, 3007, 3215, 6014, 6430, 12028, 12860, 15035, 19933, 30070, 39866, 60140, 62371, 79732, 99665, 124742, 199330, 249484, 311855, 398660, 623710, 1247420, 1933501, 3867002, 7734004, 9667505, 19335010, 38670020]

約数ペア:

[(1, 38670020), (2, 19335010), (4, 9667505), (5, 7734004), (10, 3867002), (20, 1933501), (31, 1247420), (62, 623710), (97, 398660), (124, 311855), (155, 249484), (194, 199330), (310, 124742), (388, 99665), (485, 79732), (620, 62371), (643, 60140), (970, 39866), (1286, 30070), (1940, 19933), (2572, 15035), (3007, 12860), (3215, 12028), (6014, 6430)]