26180980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4349}}^1$

素因数の和:4408

約数の個数: 48

約数和(自身を含む): 64310400

約数和(自身を除く): 38129420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 4349, 6020, 8698, 17396, 21745, 30443, 43490, 60886, 86980, 121772, 152215, 187007, 304430, 374014, 608860, 748028, 935035, 1309049, 1870070, 2618098, 3740140, 5236196, 6545245, 13090490, 26180980]

約数ペア:

[(1, 26180980), (2, 13090490), (4, 6545245), (5, 5236196), (7, 3740140), (10, 2618098), (14, 1870070), (20, 1309049), (28, 935035), (35, 748028), (43, 608860), (70, 374014), (86, 304430), (140, 187007), (172, 152215), (215, 121772), (301, 86980), (430, 60886), (602, 43490), (860, 30443), (1204, 21745), (1505, 17396), (3010, 8698), (4349, 6020)]