40513340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289381}}^1$

素因数の和:289397

約数の個数: 24

約数和(自身を含む): 97232352

約数和(自身を除く): 56719012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289381, 578762, 1157524, 1446905, 2025667, 2893810, 4051334, 5787620, 8102668, 10128335, 20256670, 40513340]

約数ペア:

[(1, 40513340), (2, 20256670), (4, 10128335), (5, 8102668), (7, 5787620), (10, 4051334), (14, 2893810), (20, 2025667), (28, 1446905), (35, 1157524), (70, 578762), (140, 289381)]