25469840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 65460096

約数和(自身を除く): 39990256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 281, 412, 440, 515, 562, 824, 880, 1030, 1124, 1133, 1405, 1648, 2060, 2248, 2266, 2810, 3091, 4120, 4496, 4532, 5620, 5665, 6182, 8240, 9064, 11240, 11330, 12364, 15455, 18128, 22480, 22660, 24728, 28943, 30910, 45320, 49456, 57886, 61820, 90640, 115772, 123640, 144715, 231544, 247280, 289430, 318373, 463088, 578860, 636746, 1157720, 1273492, 1591865, 2315440, 2546984, 3183730, 5093968, 6367460, 12734920, 25469840]

約数ペア:

[(1, 25469840), (2, 12734920), (4, 6367460), (5, 5093968), (8, 3183730), (10, 2546984), (11, 2315440), (16, 1591865), (20, 1273492), (22, 1157720), (40, 636746), (44, 578860), (55, 463088), (80, 318373), (88, 289430), (103, 247280), (110, 231544), (176, 144715), (206, 123640), (220, 115772), (281, 90640), (412, 61820), (440, 57886), (515, 49456), (562, 45320), (824, 30910), (880, 28943), (1030, 24728), (1124, 22660), (1133, 22480), (1405, 18128), (1648, 15455), (2060, 12364), (2248, 11330), (2266, 11240), (2810, 9064), (3091, 8240), (4120, 6182), (4496, 5665), (4532, 5620)]