91595421520

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2331859}}^1$

素因数の和:2332363

約数の個数: 40

約数和(自身を含む): 213393172320

約数和(自身を除く): 121797750800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 2331859, 4663718, 9327436, 11659295, 18654872, 23318590, 37309744, 46637180, 93274360, 186548720, 1144942769, 2289885538, 4579771076, 5724713845, 9159542152, 11449427690, 18319084304, 22898855380, 45797710760, 91595421520]

約数ペア:

[(1, 91595421520), (2, 45797710760), (4, 22898855380), (5, 18319084304), (8, 11449427690), (10, 9159542152), (16, 5724713845), (20, 4579771076), (40, 2289885538), (80, 1144942769), (491, 186548720), (982, 93274360), (1964, 46637180), (2455, 37309744), (3928, 23318590), (4910, 18654872), (7856, 11659295), (9820, 9327436), (19640, 4663718), (39280, 2331859)]