211672209640

素因数分解:

$2^3\times 5^1\times {\mathrm{8017}}^1\times {\mathrm{660073}}^1$

素因数の和:668101

約数の個数: 32

約数和(自身を含む): 476322599880

約数和(自身を除く): 264650390240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8017, 16034, 32068, 40085, 64136, 80170, 160340, 320680, 660073, 1320146, 2640292, 3300365, 5280584, 6600730, 13201460, 26402920, 5291805241, 10583610482, 21167220964, 26459026205, 42334441928, 52918052410, 105836104820, 211672209640]

約数ペア:

[(1, 211672209640), (2, 105836104820), (4, 52918052410), (5, 42334441928), (8, 26459026205), (10, 21167220964), (20, 10583610482), (40, 5291805241), (8017, 26402920), (16034, 13201460), (32068, 6600730), (40085, 5280584), (64136, 3300365), (80170, 2640292), (160340, 1320146), (320680, 660073)]