639892010

素因数分解:

$2^1\times 5^1\times {\mathrm{17431}}^1\times {\mathrm{3671}}^1$

素因数の和:21109

約数の個数: 16

約数和(自身を含む): 1152185472

約数和(自身を除く): 512293462

約数列:

[1, 2, 5, 10, 3671, 7342, 17431, 18355, 34862, 36710, 87155, 174310, 63989201, 127978402, 319946005, 639892010]

約数ペア:

[(1, 639892010), (2, 319946005), (5, 127978402), (10, 63989201), (3671, 174310), (7342, 87155), (17431, 36710), (18355, 34862)]