78252340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{19861}}^1$

素因数の和:20067

約数の個数: 24

約数和(自身を含む): 165172392

約数和(自身を除く): 86920052

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 19861, 39722, 79444, 99305, 198610, 397220, 3912617, 7825234, 15650468, 19563085, 39126170, 78252340]

約数ペア:

[(1, 78252340), (2, 39126170), (4, 19563085), (5, 15650468), (10, 7825234), (20, 3912617), (197, 397220), (394, 198610), (788, 99305), (985, 79444), (1970, 39722), (3940, 19861)]