25381136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 60

約数和(自身を含む): 57102000

約数和(自身を除く): 31720864

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 289, 374, 499, 578, 748, 998, 1156, 1496, 1996, 2312, 2992, 3179, 3992, 4624, 5489, 6358, 7984, 8483, 10978, 12716, 16966, 21956, 25432, 33932, 43912, 50864, 67864, 87824, 93313, 135728, 144211, 186626, 288422, 373252, 576844, 746504, 1153688, 1493008, 1586321, 2307376, 3172642, 6345284, 12690568, 25381136]

約数ペア:

[(1, 25381136), (2, 12690568), (4, 6345284), (8, 3172642), (11, 2307376), (16, 1586321), (17, 1493008), (22, 1153688), (34, 746504), (44, 576844), (68, 373252), (88, 288422), (136, 186626), (176, 144211), (187, 135728), (272, 93313), (289, 87824), (374, 67864), (499, 50864), (578, 43912), (748, 33932), (998, 25432), (1156, 21956), (1496, 16966), (1996, 12716), (2312, 10978), (2992, 8483), (3179, 7984), (3992, 6358), (4624, 5489)]