90659480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{52709}}^1$

素因数の和:52763

約数の個数: 32

約数和(自身を含む): 208731600

約数和(自身を除く): 118072120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 52709, 105418, 210836, 263545, 421672, 527090, 1054180, 2108360, 2266487, 4532974, 9065948, 11332435, 18131896, 22664870, 45329740, 90659480]

約数ペア:

[(1, 90659480), (2, 45329740), (4, 22664870), (5, 18131896), (8, 11332435), (10, 9065948), (20, 4532974), (40, 2266487), (43, 2108360), (86, 1054180), (172, 527090), (215, 421672), (344, 263545), (430, 210836), (860, 105418), (1720, 52709)]