12947660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 29907360

約数和(自身を除く): 16959700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 257, 458, 514, 916, 1028, 1145, 1285, 2290, 2519, 2570, 2827, 4580, 5038, 5140, 5654, 10076, 11308, 12595, 14135, 25190, 28270, 50380, 56540, 58853, 117706, 235412, 294265, 588530, 647383, 1177060, 1294766, 2589532, 3236915, 6473830, 12947660]

約数ペア:

[(1, 12947660), (2, 6473830), (4, 3236915), (5, 2589532), (10, 1294766), (11, 1177060), (20, 647383), (22, 588530), (44, 294265), (55, 235412), (110, 117706), (220, 58853), (229, 56540), (257, 50380), (458, 28270), (514, 25190), (916, 14135), (1028, 12595), (1145, 11308), (1285, 10076), (2290, 5654), (2519, 5140), (2570, 5038), (2827, 4580)]