28453640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 69768000

約数和(自身を除く): 41314360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 1291, 2204, 2582, 2755, 4408, 5164, 5510, 6455, 10328, 11020, 12910, 22040, 24529, 25820, 37439, 49058, 51640, 74878, 98116, 122645, 149756, 187195, 196232, 245290, 299512, 374390, 490580, 711341, 748780, 981160, 1422682, 1497560, 2845364, 3556705, 5690728, 7113410, 14226820, 28453640]

約数ペア:

[(1, 28453640), (2, 14226820), (4, 7113410), (5, 5690728), (8, 3556705), (10, 2845364), (19, 1497560), (20, 1422682), (29, 981160), (38, 748780), (40, 711341), (58, 490580), (76, 374390), (95, 299512), (116, 245290), (145, 196232), (152, 187195), (190, 149756), (232, 122645), (290, 98116), (380, 74878), (551, 51640), (580, 49058), (760, 37439), (1102, 25820), (1160, 24529), (1291, 22040), (2204, 12910), (2582, 11020), (2755, 10328), (4408, 6455), (5164, 5510)]