43890040

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4079}}^1$

素因数の和:4359

約数の個数: 32

約数和(自身を含む): 99144000

約数和(自身を除く): 55253960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 4079, 5380, 8158, 10760, 16316, 20395, 32632, 40790, 81580, 163160, 1097251, 2194502, 4389004, 5486255, 8778008, 10972510, 21945020, 43890040]

約数ペア:

[(1, 43890040), (2, 21945020), (4, 10972510), (5, 8778008), (8, 5486255), (10, 4389004), (20, 2194502), (40, 1097251), (269, 163160), (538, 81580), (1076, 40790), (1345, 32632), (2152, 20395), (2690, 16316), (4079, 10760), (5380, 8158)]