89680520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2333}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 208589580

約数和(自身を除く): 118909060

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 2333, 3844, 4666, 4805, 7688, 9332, 9610, 11665, 18664, 19220, 23330, 38440, 46660, 72323, 93320, 144646, 289292, 361615, 578584, 723230, 1446460, 2242013, 2892920, 4484026, 8968052, 11210065, 17936104, 22420130, 44840260, 89680520]

約数ペア:

[(1, 89680520), (2, 44840260), (4, 22420130), (5, 17936104), (8, 11210065), (10, 8968052), (20, 4484026), (31, 2892920), (40, 2242013), (62, 1446460), (124, 723230), (155, 578584), (248, 361615), (310, 289292), (620, 144646), (961, 93320), (1240, 72323), (1922, 46660), (2333, 38440), (3844, 23330), (4666, 19220), (4805, 18664), (7688, 11665), (9332, 9610)]