12823280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2029}}^1$

素因数の和:2121

約数の個数: 40

約数和(自身を含む): 30206400

約数和(自身を除く): 17383120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2029, 3160, 4058, 6320, 8116, 10145, 16232, 20290, 32464, 40580, 81160, 160291, 162320, 320582, 641164, 801455, 1282328, 1602910, 2564656, 3205820, 6411640, 12823280]

約数ペア:

[(1, 12823280), (2, 6411640), (4, 3205820), (5, 2564656), (8, 1602910), (10, 1282328), (16, 801455), (20, 641164), (40, 320582), (79, 162320), (80, 160291), (158, 81160), (316, 40580), (395, 32464), (632, 20290), (790, 16232), (1264, 10145), (1580, 8116), (2029, 6320), (3160, 4058)]