55290680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7237}}^1$

素因数の和:7439

約数の個数: 32

約数和(自身を含む): 125072640

約数和(自身を除く): 69781960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7237, 7640, 14474, 28948, 36185, 57896, 72370, 144740, 289480, 1382267, 2764534, 5529068, 6911335, 11058136, 13822670, 27645340, 55290680]

約数ペア:

[(1, 55290680), (2, 27645340), (4, 13822670), (5, 11058136), (8, 6911335), (10, 5529068), (20, 2764534), (40, 1382267), (191, 289480), (382, 144740), (764, 72370), (955, 57896), (1528, 36185), (1910, 28948), (3820, 14474), (7237, 7640)]