82630420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 177020928

約数和(自身を除く): 94390508

約数列:

[1, 2, 4, 5, 10, 20, 97, 191, 194, 223, 382, 388, 446, 485, 764, 892, 955, 970, 1115, 1910, 1940, 2230, 3820, 4460, 18527, 21631, 37054, 42593, 43262, 74108, 85186, 86524, 92635, 108155, 170372, 185270, 212965, 216310, 370540, 425930, 432620, 851860, 4131521, 8263042, 16526084, 20657605, 41315210, 82630420]

約数ペア:

[(1, 82630420), (2, 41315210), (4, 20657605), (5, 16526084), (10, 8263042), (20, 4131521), (97, 851860), (191, 432620), (194, 425930), (223, 370540), (382, 216310), (388, 212965), (446, 185270), (485, 170372), (764, 108155), (892, 92635), (955, 86524), (970, 85186), (1115, 74108), (1910, 43262), (1940, 42593), (2230, 37054), (3820, 21631), (4460, 18527)]