6542980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 14266980

約数和(自身を除く): 7724000

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 389, 580, 778, 841, 1556, 1682, 1945, 3364, 3890, 4205, 7780, 8410, 11281, 16820, 22562, 45124, 56405, 112810, 225620, 327149, 654298, 1308596, 1635745, 3271490, 6542980]

約数ペア:

[(1, 6542980), (2, 3271490), (4, 1635745), (5, 1308596), (10, 654298), (20, 327149), (29, 225620), (58, 112810), (116, 56405), (145, 45124), (290, 22562), (389, 16820), (580, 11281), (778, 8410), (841, 7780), (1556, 4205), (1682, 3890), (1945, 3364)]