65719420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252767}}^1$

素因数の和:252789

約数の個数: 24

約数和(自身を含む): 148627584

約数和(自身を除く): 82908164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 252767, 505534, 1011068, 1263835, 2527670, 3285971, 5055340, 6571942, 13143884, 16429855, 32859710, 65719420]

約数ペア:

[(1, 65719420), (2, 32859710), (4, 16429855), (5, 13143884), (10, 6571942), (13, 5055340), (20, 3285971), (26, 2527670), (52, 1263835), (65, 1011068), (130, 505534), (260, 252767)]