12640340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27479}}^1$

素因数の和:27511

約数の個数: 24

約数和(自身を含む): 27699840

約数和(自身を除く): 15059500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27479, 54958, 109916, 137395, 274790, 549580, 632017, 1264034, 2528068, 3160085, 6320170, 12640340]

約数ペア:

[(1, 12640340), (2, 6320170), (4, 3160085), (5, 2528068), (10, 1264034), (20, 632017), (23, 549580), (46, 274790), (92, 137395), (115, 109916), (230, 54958), (460, 27479)]