202801220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{79843}}^1$

素因数の和:79979

約数の個数: 24

約数和(自身を含む): 429241344

約数和(自身を除く): 226440124

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 79843, 159686, 319372, 399215, 798430, 1596860, 10140061, 20280122, 40560244, 50700305, 101400610, 202801220]

約数ペア:

[(1, 202801220), (2, 101400610), (4, 50700305), (5, 40560244), (10, 20280122), (20, 10140061), (127, 1596860), (254, 798430), (508, 399215), (635, 319372), (1270, 159686), (2540, 79843)]