129859880

素因数分解:

$2^3\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{2207}}^1$

素因数の和:3689

約数の個数: 32

約数和(自身を含む): 292515840

約数和(自身を除く): 162655960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1471, 2207, 2942, 4414, 5884, 7355, 8828, 11035, 11768, 14710, 17656, 22070, 29420, 44140, 58840, 88280, 3246497, 6492994, 12985988, 16232485, 25971976, 32464970, 64929940, 129859880]

約数ペア:

[(1, 129859880), (2, 64929940), (4, 32464970), (5, 25971976), (8, 16232485), (10, 12985988), (20, 6492994), (40, 3246497), (1471, 88280), (2207, 58840), (2942, 44140), (4414, 29420), (5884, 22070), (7355, 17656), (8828, 14710), (11035, 11768)]