156970640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45631}}^1$

素因数の和:45687

約数の個数: 40

約数和(自身を含む): 373452288

約数和(自身を除く): 216481648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 45631, 91262, 182524, 228155, 365048, 456310, 730096, 912620, 1825240, 1962133, 3650480, 3924266, 7848532, 9810665, 15697064, 19621330, 31394128, 39242660, 78485320, 156970640]

約数ペア:

[(1, 156970640), (2, 78485320), (4, 39242660), (5, 31394128), (8, 19621330), (10, 15697064), (16, 9810665), (20, 7848532), (40, 3924266), (43, 3650480), (80, 1962133), (86, 1825240), (172, 912620), (215, 730096), (344, 456310), (430, 365048), (688, 228155), (860, 182524), (1720, 91262), (3440, 45631)]