67728280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21433}}^1$

素因数の和:21523

約数の個数: 32

約数和(自身を含む): 154324800

約数和(自身を除く): 86596520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 21433, 42866, 85732, 107165, 171464, 214330, 428660, 857320, 1693207, 3386414, 6772828, 8466035, 13545656, 16932070, 33864140, 67728280]

約数ペア:

[(1, 67728280), (2, 33864140), (4, 16932070), (5, 13545656), (8, 8466035), (10, 6772828), (20, 3386414), (40, 1693207), (79, 857320), (158, 428660), (316, 214330), (395, 171464), (632, 107165), (790, 85732), (1580, 42866), (3160, 21433)]