109550180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{14081}}^1$

素因数の和:14479

約数の個数: 24

約数和(自身を含む): 230663160

約数和(自身を除く): 121112980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 14081, 28162, 56324, 70405, 140810, 281620, 5477509, 10955018, 21910036, 27387545, 54775090, 109550180]

約数ペア:

[(1, 109550180), (2, 54775090), (4, 27387545), (5, 21910036), (10, 10955018), (20, 5477509), (389, 281620), (778, 140810), (1556, 70405), (1945, 56324), (3890, 28162), (7780, 14081)]