64739420

素因数分解:

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

素因数の和:48389

約数の個数: 24

約数和(自身を含む): 137984784

約数和(自身を除く): 73245364

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 48313, 96626, 193252, 241565, 483130, 966260, 3236971, 6473942, 12947884, 16184855, 32369710, 64739420]

約数ペア:

[(1, 64739420), (2, 32369710), (4, 16184855), (5, 12947884), (10, 6473942), (20, 3236971), (67, 966260), (134, 483130), (268, 241565), (335, 193252), (670, 96626), (1340, 48313)]