207220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 469224

約数和(自身を除く): 262004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 797, 1594, 3188, 3985, 7970, 10361, 15940, 20722, 41444, 51805, 103610, 207220]

約数ペア:

[(1, 207220), (2, 103610), (4, 51805), (5, 41444), (10, 20722), (13, 15940), (20, 10361), (26, 7970), (52, 3985), (65, 3188), (130, 1594), (260, 797)]