30718360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9721}}^1$

素因数の和:9811

約数の個数: 32

約数和(自身を含む): 69998400

約数和(自身を除く): 39280040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9721, 19442, 38884, 48605, 77768, 97210, 194420, 388840, 767959, 1535918, 3071836, 3839795, 6143672, 7679590, 15359180, 30718360]

約数ペア:

[(1, 30718360), (2, 15359180), (4, 7679590), (5, 6143672), (8, 3839795), (10, 3071836), (20, 1535918), (40, 767959), (79, 388840), (158, 194420), (316, 97210), (395, 77768), (632, 48605), (790, 38884), (1580, 19442), (3160, 9721)]