90216400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5501}}^1$

素因数の和:5560

約数の個数: 60

約数和(自身を含む): 222071724

約数和(自身を除く): 131855324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 5501, 8200, 11002, 16400, 22004, 27505, 44008, 55010, 88016, 110020, 137525, 220040, 225541, 275050, 440080, 451082, 550100, 902164, 1100200, 1127705, 1804328, 2200400, 2255410, 3608656, 4510820, 5638525, 9021640, 11277050, 18043280, 22554100, 45108200, 90216400]

約数ペア:

[(1, 90216400), (2, 45108200), (4, 22554100), (5, 18043280), (8, 11277050), (10, 9021640), (16, 5638525), (20, 4510820), (25, 3608656), (40, 2255410), (41, 2200400), (50, 1804328), (80, 1127705), (82, 1100200), (100, 902164), (164, 550100), (200, 451082), (205, 440080), (328, 275050), (400, 225541), (410, 220040), (656, 137525), (820, 110020), (1025, 88016), (1640, 55010), (2050, 44008), (3280, 27505), (4100, 22004), (5501, 16400), (8200, 11002)]