79402010

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{19801}}^1$

素因数の和:20209

約数の個数: 16

約数和(自身を含む): 143287272

約数和(自身を除く): 63885262

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 19801, 39602, 99005, 198010, 7940201, 15880402, 39701005, 79402010]

約数ペア:

[(1, 79402010), (2, 39701005), (5, 15880402), (10, 7940201), (401, 198010), (802, 99005), (2005, 39602), (4010, 19801)]