12734920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 31674240

約数和(自身を除く): 18939320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 281, 412, 440, 515, 562, 824, 1030, 1124, 1133, 1405, 2060, 2248, 2266, 2810, 3091, 4120, 4532, 5620, 5665, 6182, 9064, 11240, 11330, 12364, 15455, 22660, 24728, 28943, 30910, 45320, 57886, 61820, 115772, 123640, 144715, 231544, 289430, 318373, 578860, 636746, 1157720, 1273492, 1591865, 2546984, 3183730, 6367460, 12734920]

約数ペア:

[(1, 12734920), (2, 6367460), (4, 3183730), (5, 2546984), (8, 1591865), (10, 1273492), (11, 1157720), (20, 636746), (22, 578860), (40, 318373), (44, 289430), (55, 231544), (88, 144715), (103, 123640), (110, 115772), (206, 61820), (220, 57886), (281, 45320), (412, 30910), (440, 28943), (515, 24728), (562, 22660), (824, 15455), (1030, 12364), (1124, 11330), (1133, 11240), (1405, 9064), (2060, 6182), (2248, 5665), (2266, 5620), (2810, 4532), (3091, 4120)]