4565000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 11808720

約数和(自身を除く): 7243720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 83, 88, 100, 110, 125, 166, 200, 220, 250, 275, 332, 415, 440, 500, 550, 625, 664, 830, 913, 1000, 1100, 1250, 1375, 1660, 1826, 2075, 2200, 2500, 2750, 3320, 3652, 4150, 4565, 5000, 5500, 6875, 7304, 8300, 9130, 10375, 11000, 13750, 16600, 18260, 20750, 22825, 27500, 36520, 41500, 45650, 51875, 55000, 83000, 91300, 103750, 114125, 182600, 207500, 228250, 415000, 456500, 570625, 913000, 1141250, 2282500, 4565000]

約数ペア:

[(1, 4565000), (2, 2282500), (4, 1141250), (5, 913000), (8, 570625), (10, 456500), (11, 415000), (20, 228250), (22, 207500), (25, 182600), (40, 114125), (44, 103750), (50, 91300), (55, 83000), (83, 55000), (88, 51875), (100, 45650), (110, 41500), (125, 36520), (166, 27500), (200, 22825), (220, 20750), (250, 18260), (275, 16600), (332, 13750), (415, 11000), (440, 10375), (500, 9130), (550, 8300), (625, 7304), (664, 6875), (830, 5500), (913, 5000), (1000, 4565), (1100, 4150), (1250, 3652), (1375, 3320), (1660, 2750), (1826, 2500), (2075, 2200)]