20125500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13417}}^1$

素因数の和:13439

約数の個数: 48

約数和(自身を含む): 58609824

約数和(自身を除く): 38484324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13417, 26834, 40251, 53668, 67085, 80502, 134170, 161004, 201255, 268340, 335425, 402510, 670850, 805020, 1006275, 1341700, 1677125, 2012550, 3354250, 4025100, 5031375, 6708500, 10062750, 20125500]

約数ペア:

[(1, 20125500), (2, 10062750), (3, 6708500), (4, 5031375), (5, 4025100), (6, 3354250), (10, 2012550), (12, 1677125), (15, 1341700), (20, 1006275), (25, 805020), (30, 670850), (50, 402510), (60, 335425), (75, 268340), (100, 201255), (125, 161004), (150, 134170), (250, 80502), (300, 67085), (375, 53668), (500, 40251), (750, 26834), (1500, 13417)]