27209540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 33330940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1091, 1247, 2182, 2494, 4364, 4988, 5455, 6235, 10910, 12470, 21820, 24940, 31639, 46913, 63278, 93826, 126556, 158195, 187652, 234565, 316390, 469130, 632780, 938260, 1360477, 2720954, 5441908, 6802385, 13604770, 27209540]

約数ペア:

[(1, 27209540), (2, 13604770), (4, 6802385), (5, 5441908), (10, 2720954), (20, 1360477), (29, 938260), (43, 632780), (58, 469130), (86, 316390), (116, 234565), (145, 187652), (172, 158195), (215, 126556), (290, 93826), (430, 63278), (580, 46913), (860, 31639), (1091, 24940), (1247, 21820), (2182, 12470), (2494, 10910), (4364, 6235), (4988, 5455)]