12549940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 29514240

約数和(自身を除く): 16964300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 79, 94, 130, 158, 169, 188, 235, 260, 316, 338, 395, 470, 611, 676, 790, 845, 940, 1027, 1222, 1580, 1690, 2054, 2444, 3055, 3380, 3713, 4108, 5135, 6110, 7426, 7943, 10270, 12220, 13351, 14852, 15886, 18565, 20540, 26702, 31772, 37130, 39715, 48269, 53404, 66755, 74260, 79430, 96538, 133510, 158860, 193076, 241345, 267020, 482690, 627497, 965380, 1254994, 2509988, 3137485, 6274970, 12549940]

約数ペア:

[(1, 12549940), (2, 6274970), (4, 3137485), (5, 2509988), (10, 1254994), (13, 965380), (20, 627497), (26, 482690), (47, 267020), (52, 241345), (65, 193076), (79, 158860), (94, 133510), (130, 96538), (158, 79430), (169, 74260), (188, 66755), (235, 53404), (260, 48269), (316, 39715), (338, 37130), (395, 31772), (470, 26702), (611, 20540), (676, 18565), (790, 15886), (845, 14852), (940, 13351), (1027, 12220), (1222, 10270), (1580, 7943), (1690, 7426), (2054, 6110), (2444, 5135), (3055, 4108), (3380, 3713)]