42709420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164267}}^1$

素因数の和:164289

約数の個数: 24

約数和(自身を含む): 96589584

約数和(自身を除く): 53880164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164267, 328534, 657068, 821335, 1642670, 2135471, 3285340, 4270942, 8541884, 10677355, 21354710, 42709420]

約数ペア:

[(1, 42709420), (2, 21354710), (4, 10677355), (5, 8541884), (10, 4270942), (13, 3285340), (20, 2135471), (26, 1642670), (52, 821335), (65, 657068), (130, 328534), (260, 164267)]