87275980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{396709}}^1$

素因数の和:396729

約数の個数: 24

約数和(自身を含む): 199941840

約数和(自身を除く): 112665860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 396709, 793418, 1586836, 1983545, 3967090, 4363799, 7934180, 8727598, 17455196, 21818995, 43637990, 87275980]

約数ペア:

[(1, 87275980), (2, 43637990), (4, 21818995), (5, 17455196), (10, 8727598), (11, 7934180), (20, 4363799), (22, 3967090), (44, 1983545), (55, 1586836), (110, 793418), (220, 396709)]