2783505920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83639}}^1$

素因数の和:83675

約数の個数: 80

約数和(自身を含む): 7187352480

約数和(自身を除く): 4403846560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 16640, 33280, 83639, 167278, 334556, 418195, 669112, 836390, 1087307, 1338224, 1672780, 2174614, 2676448, 3345560, 4349228, 5352896, 5436535, 6691120, 8698456, 10705792, 10873070, 13382240, 17396912, 21411584, 21746140, 26764480, 34793824, 42823168, 43492280, 53528960, 69587648, 86984560, 107057920, 139175296, 173969120, 214115840, 278350592, 347938240, 556701184, 695876480, 1391752960, 2783505920]

約数ペア:

[(1, 2783505920), (2, 1391752960), (4, 695876480), (5, 556701184), (8, 347938240), (10, 278350592), (13, 214115840), (16, 173969120), (20, 139175296), (26, 107057920), (32, 86984560), (40, 69587648), (52, 53528960), (64, 43492280), (65, 42823168), (80, 34793824), (104, 26764480), (128, 21746140), (130, 21411584), (160, 17396912), (208, 13382240), (256, 10873070), (260, 10705792), (320, 8698456), (416, 6691120), (512, 5436535), (520, 5352896), (640, 4349228), (832, 3345560), (1040, 2676448), (1280, 2174614), (1664, 1672780), (2080, 1338224), (2560, 1087307), (3328, 836390), (4160, 669112), (6656, 418195), (8320, 334556), (16640, 167278), (33280, 83639)]