55291280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:864

約数の個数: 80

約数和(自身を含む): 142115904

約数和(自身を除く): 86824624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 332, 415, 440, 664, 757, 830, 880, 913, 1328, 1514, 1660, 1826, 3028, 3320, 3652, 3785, 4565, 6056, 6640, 7304, 7570, 8327, 9130, 12112, 14608, 15140, 16654, 18260, 30280, 33308, 36520, 41635, 60560, 62831, 66616, 73040, 83270, 125662, 133232, 166540, 251324, 314155, 333080, 502648, 628310, 666160, 691141, 1005296, 1256620, 1382282, 2513240, 2764564, 3455705, 5026480, 5529128, 6911410, 11058256, 13822820, 27645640, 55291280]

約数ペア:

[(1, 55291280), (2, 27645640), (4, 13822820), (5, 11058256), (8, 6911410), (10, 5529128), (11, 5026480), (16, 3455705), (20, 2764564), (22, 2513240), (40, 1382282), (44, 1256620), (55, 1005296), (80, 691141), (83, 666160), (88, 628310), (110, 502648), (166, 333080), (176, 314155), (220, 251324), (332, 166540), (415, 133232), (440, 125662), (664, 83270), (757, 73040), (830, 66616), (880, 62831), (913, 60560), (1328, 41635), (1514, 36520), (1660, 33308), (1826, 30280), (3028, 18260), (3320, 16654), (3652, 15140), (3785, 14608), (4565, 12112), (6056, 9130), (6640, 8327), (7304, 7570)]