12471380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 27349056

約数和(自身を除く): 14877676

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 227, 268, 335, 410, 454, 670, 820, 908, 1135, 1340, 2270, 2747, 4540, 5494, 9307, 10988, 13735, 15209, 18614, 27470, 30418, 37228, 46535, 54940, 60836, 76045, 93070, 152090, 186140, 304180, 623569, 1247138, 2494276, 3117845, 6235690, 12471380]

約数ペア:

[(1, 12471380), (2, 6235690), (4, 3117845), (5, 2494276), (10, 1247138), (20, 623569), (41, 304180), (67, 186140), (82, 152090), (134, 93070), (164, 76045), (205, 60836), (227, 54940), (268, 46535), (335, 37228), (410, 30418), (454, 27470), (670, 18614), (820, 15209), (908, 13735), (1135, 10988), (1340, 9307), (2270, 5494), (2747, 4540)]