55642000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:713

約数の個数: 80

約数和(自身を含む): 137884032

約数和(自身を除く): 82242032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 215, 250, 344, 400, 430, 500, 647, 688, 860, 1000, 1075, 1294, 1720, 2000, 2150, 2588, 3235, 3440, 4300, 5176, 5375, 6470, 8600, 10352, 10750, 12940, 16175, 17200, 21500, 25880, 27821, 32350, 43000, 51760, 55642, 64700, 80875, 86000, 111284, 129400, 139105, 161750, 222568, 258800, 278210, 323500, 445136, 556420, 647000, 695525, 1112840, 1294000, 1391050, 2225680, 2782100, 3477625, 5564200, 6955250, 11128400, 13910500, 27821000, 55642000]

約数ペア:

[(1, 55642000), (2, 27821000), (4, 13910500), (5, 11128400), (8, 6955250), (10, 5564200), (16, 3477625), (20, 2782100), (25, 2225680), (40, 1391050), (43, 1294000), (50, 1112840), (80, 695525), (86, 647000), (100, 556420), (125, 445136), (172, 323500), (200, 278210), (215, 258800), (250, 222568), (344, 161750), (400, 139105), (430, 129400), (500, 111284), (647, 86000), (688, 80875), (860, 64700), (1000, 55642), (1075, 51760), (1294, 43000), (1720, 32350), (2000, 27821), (2150, 25880), (2588, 21500), (3235, 17200), (3440, 16175), (4300, 12940), (5176, 10750), (5375, 10352), (6470, 8600)]