129478840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{48313}}^1$

素因数の和:48391

約数の個数: 32

約数和(自身を含む): 295681680

約数和(自身を除く): 166202840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 48313, 96626, 193252, 241565, 386504, 483130, 966260, 1932520, 3236971, 6473942, 12947884, 16184855, 25895768, 32369710, 64739420, 129478840]

約数ペア:

[(1, 129478840), (2, 64739420), (4, 32369710), (5, 25895768), (8, 16184855), (10, 12947884), (20, 6473942), (40, 3236971), (67, 1932520), (134, 966260), (268, 483130), (335, 386504), (536, 241565), (670, 193252), (1340, 96626), (2680, 48313)]