67807280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10729}}^1$

素因数の和:10821

約数の個数: 40

約数和(自身を含む): 159662400

約数和(自身を除く): 91855120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 10729, 21458, 42916, 53645, 85832, 107290, 171664, 214580, 429160, 847591, 858320, 1695182, 3390364, 4237955, 6780728, 8475910, 13561456, 16951820, 33903640, 67807280]

約数ペア:

[(1, 67807280), (2, 33903640), (4, 16951820), (5, 13561456), (8, 8475910), (10, 6780728), (16, 4237955), (20, 3390364), (40, 1695182), (79, 858320), (80, 847591), (158, 429160), (316, 214580), (395, 171664), (632, 107290), (790, 85832), (1264, 53645), (1580, 42916), (3160, 21458), (6320, 10729)]