31080500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5651}}^1$

素因数の和:5681

約数の個数: 48

約数和(自身を含む): 74063808

約数和(自身を除く): 42983308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 5651, 11302, 22604, 28255, 56510, 62161, 113020, 124322, 141275, 248644, 282550, 310805, 565100, 621610, 706375, 1243220, 1412750, 1554025, 2825500, 3108050, 6216100, 7770125, 15540250, 31080500]

約数ペア:

[(1, 31080500), (2, 15540250), (4, 7770125), (5, 6216100), (10, 3108050), (11, 2825500), (20, 1554025), (22, 1412750), (25, 1243220), (44, 706375), (50, 621610), (55, 565100), (100, 310805), (110, 282550), (125, 248644), (220, 141275), (250, 124322), (275, 113020), (500, 62161), (550, 56510), (1100, 28255), (1375, 22604), (2750, 11302), (5500, 5651)]