71673740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87407}}^1$

素因数の和:87457

約数の個数: 24

約数和(自身を含む): 154187712

約数和(自身を除く): 82513972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87407, 174814, 349628, 437035, 874070, 1748140, 3583687, 7167374, 14334748, 17918435, 35836870, 71673740]

約数ペア:

[(1, 71673740), (2, 35836870), (4, 17918435), (5, 14334748), (10, 7167374), (20, 3583687), (41, 1748140), (82, 874070), (164, 437035), (205, 349628), (410, 174814), (820, 87407)]